/* ============================================================
   SmartWater — Design System
   DM Serif Display + Inter · orange & forest green palette
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&family=Inter:opsz,wght@14..32,300;14..32,400;14..32,500;14..32,600&display=swap');

/* --- Tokens --- */
:root,
[data-theme="light"] {
    --bg:             #F5F6FA;
    --bg-card:        #FFFFFF;
    --bg-elevated:    #ECEEF4;
    --text:           #2C2C2C;
    --text-2:         #606060;
    --text-3:         #919198;
    --accent:         #E06800;
    --accent-hover:   #C45A00;
    --accent-subtle:  #FEF0E4;
    --accent-2:       #4A7A2E;
    --border:         rgba(44,44,44,.08);
    --border-strong:  rgba(44,44,44,.15);
    --focus-ring:     rgba(224,104,0,.25);
    --success:        #4A7A2E;
    --success-bg:     #EDF5E8;
    --error:          #C93B3B;
    --error-bg:       #FCEAEA;
    --warn-bg:        #FEF0E4;
    --warn:           #C45A00;
    --shadow-1:       0 1px 3px rgba(44,44,44,.05), 0 4px 12px rgba(44,44,44,.04);
    --shadow-2:       0 2px 6px rgba(44,44,44,.07), 0 8px 24px rgba(44,44,44,.06);
    --shadow-3:       0 4px 12px rgba(44,44,44,.08), 0 16px 40px rgba(44,44,44,.07);
    --shadow-glow:    0 0 0 1px rgba(224,104,0,.08), 0 4px 16px rgba(224,104,0,.06);
    --radius-sm:      6px;
    --radius-md:      12px;
    --radius-lg:      16px;
    --plotly-bg:      #FFFFFF;
    --plotly-grid:    #ECEEF4;
    --plotly-text:    #606060;
}

[data-theme="dark"] {
    --bg:             #1A1A1E;
    --bg-card:        #242428;
    --bg-elevated:    #2E2E34;
    --text:           #E8E6E2;
    --text-2:         #A09E98;
    --text-3:         #8A8880;
    --accent:         #F28C2E;
    --accent-hover:   #FFAA55;
    --accent-subtle:  rgba(242,140,46,.1);
    --accent-2:       #6DB84A;
    --border:         rgba(232,230,226,.08);
    --border-strong:  rgba(232,230,226,.14);
    --focus-ring:     rgba(242,140,46,.3);
    --success:        #6DB84A;
    --success-bg:     rgba(109,184,74,.1);
    --error:          #FF6B6B;
    --error-bg:       rgba(255,107,107,.1);
    --warn-bg:        rgba(242,140,46,.1);
    --warn:           #F28C2E;
    --shadow-1:       0 1px 3px rgba(0,0,0,.35), 0 4px 12px rgba(0,0,0,.25);
    --shadow-2:       0 2px 6px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
    --shadow-3:       0 4px 12px rgba(0,0,0,.45), 0 16px 40px rgba(0,0,0,.35);
    --shadow-glow:    0 0 0 1px rgba(242,140,46,.12), 0 4px 16px rgba(242,140,46,.08);
    --radius-sm:      6px;
    --radius-md:      12px;
    --radius-lg:      16px;
    --plotly-bg:      #242428;
    --plotly-grid:    #2E2E34;
    --plotly-text:    #A09E98;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.65;
    overflow-x: hidden;
    letter-spacing: -.005em;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    transition: background .25s ease, color .25s ease;
}

body { min-height: 100dvh; display: flex; flex-direction: column; overflow-x: hidden; }
body > *:not(.site-footer):not(.header) { flex: 1 0 auto; }
.site-footer { flex-shrink: 0; }
a { color: var(--accent); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }
.privacy-content p { text-align: justify; text-justify: inter-word; hyphens: auto; }

/* --- Layout --- */
.container { max-width: 720px; margin: 0 auto; padding: 0 18px; overflow-x: hidden; box-sizing: border-box; width: 100%; }
.container-wide { max-width: 960px; margin: 0 auto; padding: 0 18px; }
.container-narrow { max-width: 480px; margin: 0 auto; padding: 0 18px; }

/* --- Header --- */
.header {
    position: sticky; top: 0; z-index: 10000;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg) 85%, transparent);
    backdrop-filter: blur(12px) saturate(1.6);
    -webkit-backdrop-filter: blur(12px) saturate(1.6);
    box-shadow: 0 1px 3px rgba(0,0,0,.03);
    transition: background .25s ease;
}
.header-inner {
    display: flex; align-items: center;
    justify-content: space-between;
    height: 54px; gap: 12px;
}
.logo {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.25rem;
    color: var(--text);
    letter-spacing: -.01em;
    transition: color .15s ease;
}
.logo { color: var(--accent-2); }
.logo:hover { color: var(--accent); }

.nav-links { display: flex; gap: 2px; }
.nav-links a {
    padding: 6px 12px; border-radius: 6px;
    font-size: .8125rem; font-weight: 500;
    color: var(--text-2);
    transition: all 120ms ease;
}
.nav-links a:hover { color: var(--accent); background: var(--accent-subtle); }
.nav-links a.active { color: var(--accent-2); background: var(--success-bg); }

.theme-toggle {
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border-strong);
    border-radius: 6px; background: var(--bg-card);
    cursor: pointer; font-size: 1rem;
    color: var(--text-2);
    transition: all 120ms ease;
}
.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* --- Typography --- */
h1, h2 {
    font-family: 'DM Serif Display', Georgia, serif;
    letter-spacing: -.02em; line-height: 1.15;
    color: var(--text);
    text-align: left;
}
h1 { font-size: clamp(1.7rem, 4.5vw, 2.4rem); font-weight: 400; color: var(--accent); }
h2 { font-size: clamp(1.25rem, 3vw, 1.6rem); font-weight: 400; color: var(--accent-2); }
h3 {
    font-family: 'Inter', sans-serif;
    font-size: 1rem; font-weight: 600;
    line-height: 1.35; letter-spacing: -.01em;
    color: var(--accent-2);
}
.text-sm { font-size: .8125rem; }
.text-xs { font-size: .6875rem; }
.text-2 { color: var(--text-2); }
.text-3 { color: var(--text-3); }
.label-caps {
    font-size: .6875rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .06em;
    color: var(--text-3);
}

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-1);
    transition: box-shadow .2s ease, transform .2s ease;
    overflow: hidden;
    max-width: 100%;
    box-sizing: border-box;
}
.card:hover {
    box-shadow: var(--shadow-2);
}
.card + .card { margin-top: 12px; }

/* --- Buttons --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 8px 18px;
    font-size: .8125rem; font-weight: 500; font-family: inherit;
    border-radius: 6px; border: 1px solid transparent;
    cursor: pointer; white-space: nowrap; line-height: 1.4;
    transition: background 120ms ease, border-color 120ms ease, transform 80ms ease;
}
.btn:active { transform: scale(.98); }

.btn-primary {
    background: var(--accent); color: #fff;
    box-shadow: 0 1px 3px rgba(224,104,0,.25), 0 2px 8px rgba(224,104,0,.15);
}
.btn-primary:hover {
    background: var(--accent-hover); color: #fff;
    box-shadow: 0 2px 6px rgba(224,104,0,.3), 0 4px 14px rgba(224,104,0,.2);
}

.btn-outline { background: transparent; border-color: var(--border-strong); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost { background: transparent; color: var(--text-2); border: none; padding: 6px 8px; }
.btn-ghost:hover { color: var(--accent); background: var(--accent-subtle); }

.btn-danger { background: transparent; border-color: var(--error); color: var(--error); }
.btn-danger:hover { background: var(--error-bg); }

.btn-sm { padding: 5px 10px; font-size: .75rem; }
.btn-lg { padding: 12px 24px; font-size: .875rem; }
.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* --- Inline menu --- */
.inline-menu { position: relative; display: inline-block; }
.inline-menu summary { list-style: none; cursor: pointer; }
.inline-menu summary::-webkit-details-marker { display: none; }
.inline-menu-items {
    position: absolute; right: 0; top: 100%; z-index: 10;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-sm); box-shadow: var(--shadow-2);
    padding: 4px; min-width: 150px; display: flex; flex-direction: column; gap: 2px;
}
.inline-menu-items .btn { width: 100%; justify-content: flex-start; }

/* --- Forms --- */
.form-group { margin-bottom: 18px; }
.form-label {
    display: block; font-size: .75rem; font-weight: 500;
    color: var(--text-2); margin-bottom: 4px;
    letter-spacing: .02em;
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: .9375rem; font-family: inherit;
    color: var(--text); background: var(--bg);
    border: 1.5px solid var(--border-strong);
    border-radius: var(--radius-sm); outline: none;
    box-shadow: 0 1px 2px rgba(0,0,0,.04);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--focus-ring), 0 1px 2px rgba(0,0,0,.04);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-3); }
.form-textarea { resize: vertical; min-height: 72px; }
.form-select { appearance: auto; }

/* Radio */
.radio-group { display: flex; flex-direction: column; gap: 6px; }
.radio-label {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    border: 1.5px solid var(--border-strong);
    border-radius: 6px; cursor: pointer;
    font-size: .9375rem;
    transition: all 120ms ease;
}
.radio-label:hover { border-color: var(--accent); }
.radio-label:has(input:checked) {
    border-color: var(--accent); background: var(--accent-subtle);
}
input[type="radio"] { accent-color: var(--accent); }

/* --- Badges --- */
.badge {
    display: inline-block;
    padding: 1px 8px; border-radius: 4px;
    font-size: .625rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .06em;
    background: var(--accent-subtle); color: var(--accent);
}
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }

/* --- Stats --- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 12px; margin-bottom: 36px;
    align-items: stretch;
}
.stat-card {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center; padding: 20px 14px;
    min-height: 100px;
    border-radius: var(--radius-md);
    background: var(--bg-card);
    border: 1px solid var(--accent-2);
    box-shadow: var(--shadow-1);
    transition: box-shadow .2s ease, transform .2s ease;
}
.stat-card:hover {
    box-shadow: var(--shadow-glow);
}
.stat-value {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 2.25rem; line-height: 1;
    color: var(--accent);
}
.stat-label {
    font-size: .6875rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .06em;
    color: var(--text-3); margin-top: 4px;
}

/* --- Pills (chart selector) --- */
.pill-group { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 12px; }
.pill {
    padding: 3px 10px; font-size: .6875rem;
    font-weight: 500; font-family: inherit;
    border: 1px solid var(--border-strong);
    border-radius: 20px; background: transparent;
    color: var(--text-2); cursor: pointer;
    transition: all 120ms ease;
}
.pill:hover { border-color: var(--accent); color: var(--accent); }
.pill.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* --- Block editor --- */
.block-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
    margin-bottom: 12px;
    animation: enter .25s cubic-bezier(.16,1,.3,1) both;
}
.block-card.removing { animation: exit .2s ease forwards; }

@keyframes enter {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes exit {
    to { opacity: 0; transform: translateY(-6px); }
}

.block-header {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 12px;
}
.block-actions { display: flex; gap: 2px; margin-left: auto; }

.add-block-menu { display: flex; gap: 8px; flex-wrap: wrap; }
.add-block-btn {
    flex: 1; min-width: 90px;
    display: flex; flex-direction: column;
    align-items: center; gap: 4px;
    padding: 14px 12px;
    border: 1.5px dashed var(--border-strong);
    border-radius: 10px; background: transparent;
    color: var(--text-3); cursor: pointer;
    font-family: inherit; font-size: .6875rem; font-weight: 500;
    letter-spacing: .03em;
    transition: all 150ms ease;
}
.add-block-btn:hover {
    border-color: var(--accent); color: var(--accent);
    background: var(--accent-subtle);
}
.add-block-btn .icon { font-size: 1.125rem; }

/* Image upload */
.upload-zone {
    border: 1.5px dashed var(--border-strong);
    border-radius: 10px; padding: 36px 12px;
    text-align: center; cursor: pointer;
    color: var(--text-3); font-size: .8125rem;
    transition: all 150ms ease;
}
.upload-zone:hover { border-color: var(--accent); background: var(--accent-subtle); }
.upload-zone.has-image { padding: 8px; border-style: solid; }
.upload-zone img { max-height: 180px; object-fit: contain; margin: 0 auto; border-radius: 6px; }

/* --- Survey display blocks --- */
.explanation-block {
    background: var(--success-bg);
    border-left: 3px solid var(--accent-2);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 18px 24px;
    margin-bottom: 18px;
    white-space: pre-wrap;
    font-size: .9375rem; line-height: 1.7;
    color: var(--text);
    box-shadow: var(--shadow-1);
}
.image-block { margin-bottom: 18px; text-align: center; }
.image-block img { border-radius: var(--radius-md); max-height: 360px; margin: 0 auto; box-shadow: var(--shadow-2); }
.image-block .caption {
    font-size: .75rem; color: var(--text-3);
    margin-top: 6px; font-style: italic;
}

/* --- Maps --- */
.map-container {
    height: 280px; border-radius: var(--radius-md);
    overflow: hidden; border: 1px solid var(--border);
    box-shadow: var(--shadow-1);
}
.map-container-lg { height: 380px; }
.map-hint { font-size: .75rem; color: var(--text-3); margin-top: 4px; }

/* --- Chart cards --- */
.chart-card { margin-bottom: 12px; overflow: hidden; }
.chart-card h3 { margin-bottom: 4px; }
.chart-area { min-height: 80px; max-width: 100%; overflow-x: auto; }
.chart-area > div { max-width: 100%; }
.chart-area .js-plotly-plot, .chart-area .plot-container, .chart-area .svg-container { max-width: 100% !important; width: 100% !important; }
.no-data { color: var(--text-3); font-style: italic; padding: 18px 0; }

/* --- Survey list --- */
.survey-grid { display: grid; gap: 12px; }
.survey-card-title {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.15rem; font-weight: 400;
    margin-bottom: 2px;
    color: var(--accent-2);
}
.survey-card-meta { font-size: .75rem; color: var(--text-3); margin-bottom: 6px; }
.survey-card-desc { font-size: .8125rem; color: var(--text-2); margin-bottom: 12px; text-align: justify; }

/* --- Survey items (admin list) --- */
.survey-item {
    display: flex; justify-content: space-between;
    align-items: center; padding: 12px 0; gap: 12px;
    border-bottom: 1px solid var(--border);
}
.survey-item:last-child { border-bottom: none; }

/* --- Section --- */
section { margin-bottom: 36px; }
.page-header { margin-bottom: 40px; }
.page-header h1 { margin-bottom: 6px; }
.page-header p { text-align: left; }

/* --- Alerts --- */
.alert { padding: 11px 16px; border-radius: var(--radius-sm); font-size: .8125rem; margin-top: 12px; box-shadow: var(--shadow-1); }
.alert-success { background: var(--success-bg); color: var(--success); }
.alert-error { background: var(--error-bg); color: var(--error); }
.alert a { color: inherit; text-decoration: underline; }

/* --- Tables --- */
table { width: 100%; border-collapse: collapse; font-size: .8125rem; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }
tr { transition: background .1s ease; }
tbody tr:hover { background: var(--bg-elevated); }
th {
    font-size: .6875rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .05em;
    color: var(--text-3);
}

details { border: 1px solid var(--border); border-radius: 6px; margin-top: 12px; }
details summary {
    padding: 10px 14px; cursor: pointer;
    font-size: .8125rem; font-weight: 500; color: var(--text-2);
}
details[open] summary { border-bottom: 1px solid var(--border); }

/* --- Fieldset --- */
fieldset {
    border: 1px solid var(--border);
    border-radius: 10px; padding: 24px;
    margin-bottom: 18px;
}
fieldset legend {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.1rem; font-weight: 400;
    padding: 0 8px;
}

/* --- Grid --- */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 540px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* --- Empty state --- */
.empty-state { text-align: center; padding: 48px 18px; color: var(--text-3); }
.empty-state .icon { font-size: 2rem; margin-bottom: 12px; opacity: .6; }

/* --- Login --- */
.login-wrapper {
    min-height: 100dvh;
    display: flex; align-items: center; justify-content: center;
    padding: 24px;
}
.login-card {
    width: 100%; max-width: 360px;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-3);
}
.login-card h1 { margin-bottom: 6px; }
.login-card .text-2 { margin-bottom: 36px; }

/* --- Divider --- */
.divider { border: none; border-top: 1px solid var(--border); margin: 36px 0; }

/* --- Spinner --- */
.loading { display: flex; justify-content: center; padding: 36px; }
.spinner {
    width: 20px; height: 20px;
    border: 2px solid var(--border-strong);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin .5s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Responsive --- */
@media (min-width: 540px) {
    .container, .container-wide { padding: 0 24px; }
}
@media (min-width: 768px) {
    .container, .container-wide { padding: 0 36px; }
}

/* --- Index page layout --- */
.index-layout { display: flex; flex-direction: column; overflow-x: hidden; }
.map-panel { flex-shrink: 0; }
.results-panel { flex: 1; min-width: 0; padding: 24px 18px 72px; overflow-x: hidden; }

@media (min-width: 1024px) {
    .index-layout {
        flex-direction: row;
        height: calc(100dvh - 55px);
        overflow: hidden;
    }
    .map-panel {
        width: 50%;
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    .map-panel .map-wrap {
        flex: 1;
        height: auto;
        min-height: 0;
        border-bottom: none;
        border-right: 1px solid var(--border);
    }
    .map-panel #selection { padding: 8px 12px; overflow-y: auto; max-height: 200px; }
    .results-panel {
        width: 50%;
        height: 100%;
        overflow-y: auto;
        padding: 24px;
    }
}

/* --- Map --- */
.map-wrap {
    position: relative;
    width: 100%;
    height: 55vh;
    min-height: 320px;
    border-bottom: 1px solid var(--border);
}
#main-map { height: 100%; width: 100%; }

.map-controls {
    position: absolute; top: 12px; left: 12px; z-index: 1000;
    display: flex; gap: 8px; align-items: center;
    flex-wrap: wrap; max-width: calc(100% - 80px);
}
.map-controls select {
    padding: 8px 14px; font-size: .8125rem;
    font-family: 'Inter', sans-serif;
    color: var(--text); background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: 6px; box-shadow: var(--shadow-2);
    outline: none; appearance: auto;
    min-width: 200px; max-width: 70vw;
}
.map-controls select:focus {
    border-color: var(--accent);
    box-shadow: var(--shadow-2), 0 0 0 3px var(--focus-ring);
}
.map-controls .btn {
    box-shadow: var(--shadow-2);
    background: var(--bg-card);
}

.map-legend {
    position: absolute; bottom: 12px; left: 12px; z-index: 1000;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 6px; padding: 8px 12px;
    box-shadow: var(--shadow-1); font-size: .6875rem;
    max-height: 120px; overflow-y: auto;
}
.legend-item {
    display: flex; align-items: center; gap: 6px;
    padding: 2px 0; color: var(--text-2);
}
.legend-dot {
    width: 10px; height: 10px; border-radius: 50%;
    flex-shrink: 0;
}

#results { opacity: 0; transition: opacity 0.25s ease; }
#results.visible { opacity: 1; }

.take-survey-bar {
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 8px;
    padding: 12px 0; margin-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

@media (min-width: 1024px) {
    .empty-arrow { transform: rotate(-90deg); }
}
@media (max-width: 539px) {
    .map-wrap { height: 45vh; min-height: 260px; }
    .map-controls select { min-width: 160px; }
}

/* --- Draw-to-Select --- */
.selection-status {
    font-size: .75rem;
    font-weight: 500;
    color: var(--text);
    background: var(--bg-card);
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-2);
    white-space: nowrap;
}

.selection-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px 24px;
    box-shadow: var(--shadow-1);
    margin-bottom: 12px;
}
.selection-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}
.selection-card-header h3 {
    margin: 0;
}
.selection-export-btns {
    display: flex;
    gap: 6px;
}
.selection-card table {
    width: 100%;
    font-size: .8125rem;
}
.selection-empty {
    color: var(--text-3);
    font-style: italic;
    padding: 12px 0;
}

/* Leaflet.draw toolbar overrides */
.leaflet-draw-toolbar a {
    background-color: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    color: var(--text-2);
}
.leaflet-draw-toolbar a:hover {
    background-color: var(--bg-elevated);
    border-color: var(--accent);
}
.leaflet-draw-actions {
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: 6px;
    box-shadow: var(--shadow-2);
}
.leaflet-draw-actions a {
    color: var(--text);
    background: var(--bg-card);
    font-family: 'Inter', sans-serif;
    font-size: .75rem;
}
.leaflet-draw-actions a:hover {
    background: var(--bg-elevated);
}

/* ============================================================
   Guide Builder Styles
   ============================================================ */

/* --- Admin Tabs --- */
.admin-tabs {
    display: flex; gap: 0; margin-bottom: 24px;
    border-bottom: 2px solid var(--border);
}
.admin-tab {
    padding: 10px 20px;
    font-size: .875rem; font-weight: 500;
    color: var(--text-2); cursor: pointer;
    border: none; background: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 120ms ease;
}
.admin-tab:hover { color: var(--text); }
.admin-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* --- Guide List --- */
.guide-item {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; padding: 14px 0;
    border-bottom: 1px solid var(--border);
}
.guide-item:last-child { border-bottom: none; }

/* --- Guide Editor Blocks --- */
.guide-block-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: var(--shadow-1);
}
.guide-block-card.removing {
    opacity: 0; transform: translateY(-8px);
    transition: all .2s ease;
}
.guide-block-header {
    display: flex; align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.guide-block-type {
    font-size: .6875rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .04em;
    padding: 2px 8px; border-radius: 4px;
}
.guide-block-type[data-type="step_carousel"] { background: var(--accent-subtle); color: var(--accent); }
.guide-block-type[data-type="collapsible"] { background: var(--warn-bg); color: var(--warn); }
.guide-block-type[data-type="image"] { background: var(--error-bg); color: var(--error); }
.guide-block-type[data-type="rich_text"] { background: var(--success-bg); color: var(--success); }
.guide-block-type[data-type="formula"] { background: var(--accent-subtle); color: var(--accent); }
.guide-block-type[data-type="callout"] { background: var(--warn-bg); color: var(--warn); }

/* --- Step List in Carousel Block --- */
.step-item {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
    background: var(--bg-elevated);
}
.step-item .step-header {
    display: flex; align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: .8125rem; font-weight: 500;
}

/* --- Markdown Preview --- */
.md-preview {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    min-height: 80px;
    font-size: .875rem;
    line-height: 1.6;
}
.md-preview h1, .md-preview h2, .md-preview h3 { margin-top: 12px; margin-bottom: 4px; }
.md-preview p { margin-bottom: 8px; }
.md-preview ul, .md-preview ol { margin-left: 20px; margin-bottom: 8px; }
.md-preview code { background: var(--bg-elevated); padding: 2px 4px; border-radius: 3px; font-size: .8125rem; }
.md-preview img { max-width: 100%; border-radius: 6px; margin: 8px 0; }
.preview-toggle {
    font-size: .6875rem; padding: 2px 8px;
    border: 1px solid var(--border-strong);
    border-radius: 4px; background: var(--bg-card);
    cursor: pointer; color: var(--text-2);
}
.preview-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* --- Public Guide Viewer --- */
.guide-content { max-width: 720px; margin: 0 auto; }

/* Carousel */
.carousel-wrap {
    position: relative;
    margin: 16px 0;
}
.carousel-track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 0;
    scrollbar-width: none;
}
.carousel-track::-webkit-scrollbar { display: none; }
.carousel-step {
    flex: 0 0 100%;
    scroll-snap-align: start;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 16px;
    min-height: 200px;
}
@media (max-width: 600px) {
    .carousel-step { grid-template-columns: 1fr; }
}
.carousel-step img {
    width: 100%; border-radius: 8px;
    object-fit: contain; max-height: 300px;
}
.carousel-step .step-text { font-size: .875rem; line-height: 1.6; }
.carousel-nav {
    display: flex; align-items: center;
    justify-content: center; gap: 12px;
    margin-top: 8px;
}
.carousel-nav button {
    width: 36px; height: 36px;
    border-radius: 50%; border: 1px solid var(--border-strong);
    background: var(--bg-card); cursor: pointer;
    font-size: 1rem; color: var(--text-2);
    display: flex; align-items: center; justify-content: center;
}
.carousel-nav button:hover { color: var(--accent); border-color: var(--accent); }
.carousel-nav button:disabled { opacity: .3; cursor: default; }
.carousel-counter {
    font-size: .8125rem; color: var(--text-2); font-weight: 500;
}

/* Vertical steps */
.step-vertical {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}
.step-vertical:last-child { border-bottom: none; }
@media (max-width: 600px) {
    .step-vertical { grid-template-columns: 1fr; }
}
.step-vertical img {
    width: 100%; border-radius: 8px;
    object-fit: contain; max-height: 300px;
}
.step-number {
    font-size: .6875rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .04em;
    color: var(--text-3); margin-bottom: 4px;
}

/* Collapsible */
.collapsible {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin: 12px 0;
    overflow: hidden;
    box-shadow: var(--shadow-1);
    transition: box-shadow .2s ease;
}
.collapsible:hover { box-shadow: var(--shadow-2); }
.collapsible-header {
    display: flex; align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    cursor: pointer;
    font-weight: 500;
    background: var(--bg-elevated);
    min-height: 44px;
    transition: background 120ms ease;
}
.collapsible-header:hover { background: var(--bg-card); }
.collapsible-chevron {
    transition: transform .2s ease;
    font-size: .75rem; color: var(--text-3);
}
.collapsible.open .collapsible-chevron { transform: rotate(180deg); }
.collapsible-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
}
.collapsible.open .collapsible-body {
    max-height: 2000px;
}
.collapsible-content {
    padding: 16px;
    font-size: .875rem;
    line-height: 1.6;
}

/* Image block */
.guide-image-block {
    margin: 16px 0;
    text-align: center;
}
.guide-image-block img {
    max-width: 100%;
    border-radius: 8px;
}
.guide-image-block .caption {
    font-size: .8125rem;
    color: var(--text-2);
    margin-top: 6px;
}

/* Formula block */
.formula-block {
    margin: 16px 0;
    text-align: center;
    padding: 24px;
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-1);
}
.formula-block .formula-desc {
    font-size: .875rem;
    color: var(--text-2);
    margin-top: 8px;
}

/* Callout block */
.callout {
    border-radius: 8px;
    padding: 14px 16px;
    margin: 12px 0;
    border-left: 4px solid;
    font-size: .875rem;
    line-height: 1.6;
}
.callout-info {
    background: var(--accent-subtle);
    border-color: var(--accent);
}
.callout-warning {
    background: var(--warn-bg);
    border-color: var(--warn);
}
.callout-danger {
    background: var(--error-bg);
    border-color: var(--error);
}
.callout-icon {
    font-size: 1rem;
    margin-right: 6px;
}
.callout-title {
    font-weight: 600;
    margin-bottom: 4px;
}

/* Guide responsive */
.guide-content { overflow-x: hidden; word-wrap: break-word; overflow-wrap: break-word; max-width: 100%; }
.guide-content img { max-width: 100%; height: auto; }
.guide-content svg { max-width: 100%; height: auto; }
.formula-block { overflow-x: auto; max-width: 100%; }
.guide-rich-text { overflow-wrap: break-word; max-width: 100%; }
.carousel-wrap { max-width: 100%; overflow: hidden; }
.carousel-step img { max-width: 100%; height: auto; }
.step-vertical img { max-width: 100%; height: auto; }
.collapsible-content { overflow-wrap: break-word; word-break: break-word; }
.callout { overflow-wrap: break-word; }
@media (max-width: 600px) {
    .guide-content { padding: 0 4px; }
    .carousel-step { padding: 8px; min-height: 140px; }
    .carousel-step img { max-height: 200px; }
    .carousel-nav button { width: 32px; height: 32px; font-size: 0.85rem; }
    .collapsible-header { padding: 10px 12px; font-size: 0.9rem; }
    .collapsible-content { padding: 12px; font-size: 0.8125rem; }
    .formula-block { padding: 16px 8px; }
    .callout { padding: 10px 12px; font-size: 0.8125rem; }
    .step-vertical { padding: 12px 0; }
    .step-vertical img { max-height: 200px; }
    .guide-image-block img { border-radius: 4px; }
    .guide-rich-text { font-size: 0.875rem; }
}

/* Guide listing page */
.guide-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 22px 24px;
    box-shadow: var(--shadow-1);
    transition: box-shadow .2s ease, transform .2s ease;
}
.guide-card:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-2px);
}
.guide-card + .guide-card { margin-top: 12px; }
.guide-card-meta {
    font-size: .8125rem;
    color: var(--text-2);
    margin-top: 4px;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    border-top: 2px solid var(--accent-2);
    background: var(--bg-card);
    padding: 24px 0;
    margin-top: auto;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: clamp(16px, 5vw, 60px);
}
.footer-logo {
    height: clamp(32px, 5vw, 64px);
    width: auto;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    object-fit: contain;
}
.footer-logo[alt*="Innoviris"] {
    height: clamp(22px, 3.5vw, 44px);
}
[data-theme="dark"] .footer-logo {
    background: rgba(255,255,255,.92);
}

/* --- Presenter page --- */
.present-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100dvh;
    padding: 24px;
    text-align: center;
}
.present-content { display: flex; flex-direction: column; align-items: center; }
.present-title { margin-bottom: 24px; }
.qr-container svg { width: 280px; height: 280px; }
@media (min-width: 768px) {
    .qr-container svg { width: 400px; height: 400px; }
}
.present-countdown {
    font-size: 2.5rem;
    font-weight: 700;
    margin-top: 18px;
    font-variant-numeric: tabular-nums;
}
.present-countdown.warn { color: var(--accent); }
.present-expired { text-align: center; }
.present-actions { margin-top: 24px; display: flex; align-items: center; }

/* --- Survey banner (per-survey theming) --- */
.survey-banner { width: 100%; max-height: 200px; overflow: hidden; }
.survey-banner img { width: 100%; height: 200px; object-fit: cover; }

/* --- Token countdown on survey page --- */
.token-countdown {
    display: inline-block;
    margin-left: 12px;
    font-size: 0.85rem;
    font-variant-numeric: tabular-nums;
    color: var(--text-2);
}
.token-countdown.warn { color: var(--accent); font-weight: 600; }

/* --- Water body overlay --- */
.wb-loading {
    background: var(--bg-card);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--text-2);
    box-shadow: 0 1px 4px rgba(0,0,0,.15);
    border: 1px solid var(--border);
    display: flex; align-items: center; gap: 6px;
}
.wb-loading-spinner {
    display: inline-block; width: 12px; height: 12px;
    border: 2px solid var(--border-strong);
    border-top-color: var(--accent-2);
    border-radius: 50%;
    animation: wb-spin .6s linear infinite;
}
@keyframes wb-spin { to { transform: rotate(360deg); } }
.wb-tooltip { font-size: 11px; }
.wb-map-legend {
    background: var(--bg-card);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    display: flex;
    gap: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,.15);
    border: 1px solid var(--border);
}
.wb-filter-btn {
    display: flex; align-items: center; gap: 4px;
    background: none; border: 1px solid transparent;
    border-radius: 4px; padding: 2px 6px;
    font-size: 0.75rem; color: var(--text-3);
    cursor: pointer; opacity: 0.45;
    transition: all 150ms ease;
}
.wb-filter-btn.active {
    color: var(--text); opacity: 1;
    border-color: var(--border-strong);
    background: var(--bg-card);
}
.wb-filter-btn:hover { opacity: 1; }
.wb-map-legend i {
    display: inline-block;
    width: 10px; height: 10px;
    border-radius: 2px;
    border: 1.5px solid;
}
.map-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}
.map-toolbar select {
    flex: 1; min-width: 140px; max-width: 260px;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 0.85rem;
}
.dropdown {
    position: relative;
    flex: 1; min-width: 140px; max-width: 260px;
}
.dropdown-btn {
    width: 100%;
    text-align: left;
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 28px 6px 10px;
    font-size: 0.85rem;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23888'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}
.dropdown-btn:hover { border-color: var(--accent); }
.dropdown-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 260px;
    overflow-y: auto;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-top: 2px;
    z-index: 10000;
    box-shadow: 0 4px 12px rgba(0,0,0,.2);
}
.dropdown-list.open { display: block; }
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    font-size: 0.85rem;
    cursor: pointer;
}
.dropdown-item:hover { background: var(--bg-elevated); }
.dropdown-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}
.wb-distance-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    font-size: 0.85rem;
}
.wb-distance-bar input[type="range"] { flex: 1; min-width: 100px; accent-color: var(--accent-2); }

/* --- Survey status: closed state --- */
.survey-item.closed { opacity: 0.6; }
.badge-closed {
    display: inline-block;
    background: var(--text-3);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    margin-left: 8px;
}

/* --- Rating stars --- */
.rating-group { display: flex; gap: 4px; font-size: 1.5rem; cursor: pointer; }
.rating-group .star { color: var(--text-3); transition: color 0.15s; }
.rating-group .star.filled { color: #f5a623; }

/* --- Scale buttons --- */
.scale-group { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.scale-buttons { display: flex; gap: 4px; flex-wrap: wrap; }
.scale-btn { min-width: 36px; height: 36px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg-2, var(--bg-elevated)); cursor: pointer; font-weight: 500; font-family: inherit; font-size: .875rem; transition: background 120ms ease, border-color 120ms ease, color 120ms ease; }
.scale-btn.active { background: var(--accent); color: white; border-color: var(--accent); }
.scale-label { font-size: 0.85rem; color: var(--text-2); }

/* --- Matrix --- */
.matrix-table { width: 100%; border-collapse: collapse; }
.matrix-table th, .matrix-table td { padding: 8px; text-align: center; border-bottom: 1px solid var(--border); }
.matrix-table th:first-child, .matrix-table td:first-child { text-align: left; }

/* --- Ranking --- */
.ranking-list { list-style: none; padding: 0; }
.ranking-list li { padding: 8px 12px; margin-bottom: 4px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 6px; cursor: grab; display: flex; align-items: center; gap: 8px; }
.ranking-list li.dragging { opacity: 0.5; }
.ranking-list .drag-handle { color: var(--text-3); cursor: grab; }
.ranking-placeholder {
  border: 2px dashed var(--border);
  border-radius: 6px;
  background: transparent;
  list-style: none;
  margin-bottom: 4px;
}

/* --- Layout columns --- */
.layout-columns { display: flex; gap: 16px; margin-bottom: 18px; }
.layout-col { flex: 1; min-width: 0; }
@media (max-width: 600px) { .layout-columns { flex-direction: column; } }

/* --- Survey element blocks --- */
.survey-divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.survey-heading { margin: 24px 0 12px; }

/* --- Multi-page navigation --- */
.page-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }

/* --- Accessibility: skip-to-content --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.sr-only:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: auto;
  height: auto;
  padding: 8px 16px;
  margin: 0;
  overflow: visible;
  clip: auto;
  background: var(--bg);
  color: var(--text);
  z-index: 9999;
  font-size: 1rem;
}
.page-indicator { font-size: 0.85rem; color: var(--text-2); }

/* Guide slide-over panel */
.guide-overlay {
  position: fixed;
  top: 55px;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.35);
  display: flex;
  justify-content: flex-end;
  animation: fadeIn 0.2s ease;
}
.guide-panel {
  width: min(65%, 600px);
  height: 100%;
  max-height: 100%;
  background: var(--bg);
  box-shadow: -4px 0 24px rgba(0,0,0,0.2);
  overflow-y: auto;
  padding: 0;
  animation: slideIn 0.25s ease;
}

.guide-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: var(--bg);
  padding: 20px 24px 12px;
  border-bottom: 1px solid var(--border);
  z-index: 1;
}
.guide-panel-header h2 { margin: 0; font-size: 1.3rem; min-width: 0; color: var(--text); }
#gp-desc { padding: 0 24px; }
#gp-content { padding: 0 24px 24px; }
.guide-panel-header button { font-size: 1.5rem; line-height: 1; padding: 4px 8px; }
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@media (max-width: 600px) {
  .guide-panel { width: 92%; }
}

/* ============================================================
   Mobile responsive overrides
   ============================================================ */
main { overflow-x: hidden; }
input, select, textarea { max-width: 100%; }
table { max-width: 100%; }

.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.admin-header-flex { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }

@media (max-width: 600px) {
    /* Header */
    .header-inner { padding: 0 12px; }
    .nav-links { gap: 12px; }
    .nav-links a { font-size: 0.85rem; }
    .logo { font-size: 1rem; }

    /* Page headers */
    .page-header { flex-direction: column; gap: 8px; }

    /* Cards */
    .card { padding: 16px 12px; }

    /* Admin tabs */
    .admin-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; white-space: nowrap; gap: 0; }
    .admin-tab { flex-shrink: 0; font-size: 0.8rem; padding: 8px 12px; }

    /* Survey items */
    .survey-item { flex-direction: column; align-items: flex-start; }
    .survey-item .btn-group { width: 100%; flex-wrap: wrap; }

    /* Form grid */
    .form-grid-2 { grid-template-columns: 1fr; }

    /* Admin header flex */
    .admin-header-flex { flex-direction: column; gap: 8px; align-items: flex-start; }

    /* Matrix tables */
    .matrix-table { font-size: 0.8rem; }
    .matrix-table th, .matrix-table td { padding: 4px 6px; }

    /* Scale buttons */
    .scale-group { flex-wrap: wrap; }
    .scale-buttons { flex-wrap: wrap; }
    .scale-btn { min-width: 32px; height: 32px; font-size: 0.8rem; }

    /* Invite URL input */
    #invite-result div { flex-wrap: wrap; }
}

/* --- Water body dropdown with search --- */
#wb-dropdown .dropdown-list { max-height: 300px; overflow-y: auto; }
#wb-items .dropdown-item { font-size: 0.85rem; }

/* --- Confirmation modal --- */
.modal-backdrop {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(0, 0, 0, 0.55);
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
}
.modal-dialog {
    background: var(--surface, #fff);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px 22px;
    width: 100%; max-width: 460px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}