/* ==========================================================================
   Modern Design System – rappl / fischundwasser station dashboard
   ========================================================================== */

:root {
    --color-bg: #f4f6fa;
    --color-bg-elev: #ffffff;
    --color-surface: #ffffff;
    --color-surface-alt: #f8fafc;
    --color-border: #e2e8f0;
    --color-border-strong: #cbd5e1;
    --color-text: #0f172a;
    --color-text-muted: #64748b;
    --color-text-soft: #475569;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-primary-soft: #dbeafe;
    --color-accent: #0ea5e9;
    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-success: #16a34a;
    --color-warning: #f59e0b;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 10px rgba(15, 23, 42, 0.07), 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
        Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

h1, h2, h3 {
    margin: 0 0 var(--space-4) 0;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }

/* ==========================================================================
   Page shell
   ========================================================================== */

.app-shell {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-5);
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.app-header__brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-text);
}

.app-header__brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    font-weight: 700;
    box-shadow: var(--shadow-sm);
}

.app-header__user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.app-header__user strong {
    color: var(--color-text);
    font-weight: 500;
}

/* ==========================================================================
   Card
   ========================================================================== */

.card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
}

.card--toolbar {
    padding: var(--space-4) var(--space-5);
}

.card__title {
    margin: 0 0 var(--space-2) 0;
    font-size: 1.05rem;
    font-weight: 600;
}

.card__subtitle {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--space-4);
}

/* ==========================================================================
   Toolbar / form rows
   ========================================================================== */

.toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3) var(--space-4);
}

.toolbar > * {
    min-width: 0;
}

.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 0;
}

.field--inline {
    flex-direction: row;
    align-items: center;
    gap: var(--space-2);
}

.field__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
}

.field__group {
    display: flex;
    align-items: stretch;
    gap: var(--space-1);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="search"],
select,
textarea {
    font: inherit;
    color: var(--color-text);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    padding: 8px 12px;
    min-height: 38px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    outline: none;
    max-width: 100%;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}

input[readonly] {
    background-color: var(--color-surface-alt);
    color: var(--color-text-soft);
}

select {
    padding-right: 32px;
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 12px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn,
input[type="submit"],
input[type="button"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font: inherit;
    font-weight: 500;
    line-height: 1;
    padding: 9px 16px;
    min-height: 38px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-strong);
    background-color: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease,
        color 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
    text-decoration: none;
}

.btn:hover,
input[type="submit"]:hover,
input[type="button"]:hover {
    background-color: var(--color-surface-alt);
    border-color: var(--color-text-muted);
    text-decoration: none;
}

.btn:active,
input[type="submit"]:active,
input[type="button"]:active {
    transform: translateY(1px);
}

.btn--primary,
input[type="submit"] {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.btn--primary:hover,
input[type="submit"]:hover {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    color: #fff;
}

.btn--ghost {
    background-color: transparent;
    border-color: transparent;
    color: var(--color-text-soft);
}

.btn--ghost:hover {
    background-color: var(--color-surface-alt);
    color: var(--color-text);
}

.btn--danger {
    background-color: var(--color-surface);
    color: var(--color-danger);
    border-color: var(--color-border-strong);
}

.btn--danger:hover {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: #fff;
}

.btn--icon {
    padding: 0;
    width: 38px;
    flex: 0 0 38px;
}

.btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* Link-style action chips inside the toolbar */
.action-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 7px 12px;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-soft);
    color: var(--color-primary-hover);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.15s ease;
}

.action-link:hover {
    background-color: #c7dbfd;
    color: var(--color-primary-hover);
    text-decoration: none;
}

/* ==========================================================================
   Tables
   ========================================================================== */

.table-wrap {
    width: 100%;
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    -webkit-overflow-scrolling: touch;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 0.85rem;
}

.data-table th,
.data-table td {
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
    vertical-align: top;
}

.data-table thead th {
    position: sticky;
    top: 0;
    background-color: var(--color-surface-alt);
    color: var(--color-text-soft);
    font-weight: 600;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--color-border-strong);
    z-index: 2;
}

.data-table tbody tr:hover {
    background-color: var(--color-surface-alt);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table .row-batch {
    background: linear-gradient(90deg, var(--color-primary-soft), transparent);
    color: var(--color-text-soft);
    font-weight: 500;
    font-size: 0.8rem;
}

.data-table .row-batch td {
    padding: 8px 14px;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background-color: #eef2ff;
    color: var(--color-text-soft);
    white-space: normal;
}

.data-table .row-media td {
    padding: var(--space-5);
    background-color: var(--color-surface-alt);
    white-space: normal;
}

.records-count {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 6px 12px;
    border-radius: 999px;
    background-color: var(--color-primary-soft);
    color: var(--color-primary-hover);
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: var(--space-3);
}

/* ==========================================================================
   Media + map grid
   ========================================================================== */

.media-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.media-grid__item {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.media-grid__item img {
    display: block;
    width: 100%;
    height: auto;
    background-color: #0f172a;
}

.media-grid__item .map-canvas {
    width: 100%;
    height: 100%;
    min-height: 360px;
}

/* The original code uses fixed positioning for #map. We reset that to flow
   inside the modern media grid layout. */
#map {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    width: 100% !important;
    height: 100% !important;
    min-height: 360px;
    background-color: #e2e8f0 !important;
    z-index: 1 !important;
    overflow: hidden;
    border-radius: 0;
}

/* The fullscreen map page (#mapdiv) keeps its absolute fill behaviour, but in
   a flex shell instead of the old `position: absolute` overlapping the body. */
#mapdiv {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* ==========================================================================
   Picture gallery
   ========================================================================== */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

.gallery-tile {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.gallery-tile__header {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.gallery-tile__station {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.9rem;
}

.gallery-tile__link {
    font-size: 0.78rem;
    color: var(--color-primary);
}

.gallery-tile img {
    display: block;
    width: 100%;
    height: auto;
    background-color: #0f172a;
}

/* ==========================================================================
   Login
   ========================================================================== */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    background: linear-gradient(135deg, #eef2ff 0%, #f4f6fa 50%, #e0f2fe 100%);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-8);
    border: 1px solid var(--color-border);
}

.auth-card__brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.auth-card__brand-mark {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: var(--shadow-sm);
}

.auth-card__title {
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text);
}

.auth-card__subtitle {
    margin: 0;
    font-size: 0.82rem;
    color: var(--color-text-muted);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.auth-form .field__label {
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.82rem;
    color: var(--color-text-soft);
    font-weight: 500;
}

.auth-form input[type="text"],
.auth-form input[type="password"],
.auth-form select {
    width: 100%;
}

.auth-form input[type="submit"] {
    width: 100%;
    margin-top: var(--space-2);
    min-height: 42px;
    font-weight: 600;
}

.auth-error {
    background-color: #fef2f2;
    color: var(--color-danger);
    border: 1px solid #fecaca;
    padding: var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
}

/* ==========================================================================
   Misc helpers
   ========================================================================== */

.muted { color: var(--color-text-muted); }
.empty-state {
    padding: var(--space-10) var(--space-5);
    text-align: center;
    color: var(--color-text-muted);
    background-color: var(--color-surface);
    border: 1px dashed var(--color-border-strong);
    border-radius: var(--radius-lg);
}
.empty-state__title { font-weight: 600; color: var(--color-text); margin-bottom: var(--space-2); }

.full-bleed {
    position: fixed;
    inset: 0;
    background-color: var(--color-bg);
}

.float-actions {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    box-shadow: var(--shadow-md);
    padding: 6px 14px;
    font-size: 0.82rem;
}

.float-actions .username { color: var(--color-text-muted); }
.float-actions a { color: var(--color-danger); font-weight: 600; }

/* ==========================================================================
   Legacy compatibility – pages we don't restyle should still look acceptable
   ========================================================================== */

.feld_ohne_rahmen {
    position: absolute;
    padding: 10px;
}

.feld_mit_rahmen {
    position: absolute;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.85);
    padding: 6px 10px;
    font-size: 0.85rem;
    box-shadow: var(--shadow-sm);
}

.graphic {
    position: relative;
    margin: var(--space-5) auto;
    max-width: 100%;
    overflow: auto;
}

#chart {
    z-index: 100;
    position: relative;
}

/* ==========================================================================
   Calendar widget (kept compatible with js/calendar.js)
   ========================================================================== */

#calendarDiv {
    position: absolute;
    width: 220px;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    padding: 4px;
    background-color: var(--color-surface);
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--color-text);
    padding-bottom: 22px;
    box-shadow: var(--shadow-lg);
    visibility: hidden;
    z-index: 2000;
}

#calendarDiv span, #calendarDiv img { float: left; }
#calendarDiv .selectBox, #calendarDiv .selectBoxOver,
#calendarDiv .selectBoxTime, #calendarDiv .selectBoxTimeOver {
    line-height: 14px;
    padding: 2px 4px;
    cursor: pointer;
    border-radius: 4px;
}
#calendarDiv td { padding: 4px; margin: 0; font-size: 11px; text-align: right; cursor: pointer; }
#calendarDiv .selectBox { border: 1px solid transparent; color: #e2e8f0; }
#calendarDiv .selectBoxOver { border: 1px solid var(--color-primary); background-color: var(--color-primary); color: #fff; }
#calendarDiv .selectBoxTime { border: 1px solid var(--color-border-strong); color: var(--color-text-soft); }
#calendarDiv .selectBoxTimeOver { border: 1px solid var(--color-primary-hover); color: var(--color-primary-hover); }
#calendarDiv .topBar {
    height: 18px;
    padding: 3px;
    background-color: var(--color-primary);
    color: #fff;
    border-radius: 4px 4px 0 0;
}
#calendarDiv .activeDay { color: var(--color-danger); font-weight: 600; }
#calendarDiv .todaysDate {
    height: 18px; line-height: 18px; padding: 2px;
    background-color: var(--color-surface-alt);
    color: var(--color-text-soft);
    text-align: center;
    position: absolute; bottom: 0; left: 0; right: 0;
    border-top: 1px solid var(--color-border);
    border-radius: 0 0 4px 4px;
}
#calendarDiv .todaysDate div { float: left; }
#calendarDiv .timeBar {
    height: 18px; line-height: 18px;
    background-color: var(--color-surface-alt);
    width: 74px; color: var(--color-text-soft);
    position: absolute; right: 0;
}
#calendarDiv .timeBar div { float: left; margin-right: 1px; }
#calendarDiv .monthYearPicker {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    position: absolute; color: var(--color-text);
    left: 0; top: 17px; z-index: 1000; display: none;
    box-shadow: var(--shadow-md);
}
#calendarDiv #monthSelect { width: 80px; }
#calendarDiv .monthYearPicker div { float: none; clear: both; padding: 2px 6px; margin: 1px; cursor: pointer; border-radius: 4px; }
#calendarDiv .monthYearActive { background-color: var(--color-primary); color: #fff; }
#calendarDiv .topBar img { cursor: pointer; filter: brightness(0) invert(1); }
#calendarDiv .topBar div { float: left; margin-right: 2px; }

/* ==========================================================================
   Responsive breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
    .media-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .app-shell {
        padding: var(--space-4) var(--space-3);
    }

    .app-header {
        margin-bottom: var(--space-4);
        padding-bottom: var(--space-4);
    }

    .card {
        padding: var(--space-4);
    }

    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar .field,
    .toolbar .field--inline,
    .toolbar input[type="submit"],
    .toolbar input[type="button"],
    .toolbar .btn,
    .toolbar select,
    .toolbar input[type="text"] {
        width: 100%;
    }

    .toolbar .field--inline { flex-wrap: wrap; }

    .data-table { font-size: 0.78rem; }
    .data-table th, .data-table td { padding: 8px 10px; }

    .float-actions {
        top: auto;
        bottom: var(--space-3);
        right: var(--space-3);
        left: var(--space-3);
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .auth-card { padding: var(--space-5); border-radius: var(--radius-lg); }
    .app-header__brand { font-size: 1rem; }
    .records-count { width: 100%; justify-content: center; }
}

/* ==========================================================================
   Print
   ========================================================================== */

@media print {
    body { background: #fff; }
    .app-header, .float-actions, .toolbar, .card--toolbar { display: none !important; }
    .card { box-shadow: none; border: none; padding: 0; }
    .table-wrap { overflow: visible; box-shadow: none; }
    .data-table th { background-color: #f1f5f9 !important; -webkit-print-color-adjust: exact; }
}