/* ==========================================================================
   DiWa — shared tokenized stylesheet (WP3)
   ========================================================================== */

:root {
    /* Brand */
    --color-primary: #76b5c5;
    --color-primary-hover: #5a9bab;
    --color-nav: #2C3E50;
    --color-accent: #e56536;
    --color-text: #5D5D5D;

    /* Status (success / danger families) */
    --color-success: #28a745;
    --color-success-hover: var(--color-success);
    --color-success-bg: #d4edda;
    --color-success-text: #155724;
    --color-danger: #dc3545;
    --color-danger-hover: var(--color-danger);
    --color-danger-bg: #f8d7da;
    --color-danger-text: #721c24;

    /* Surfaces */
    --color-bg: #f8f9fa;
    --color-bg-muted: #e9ecef;
    --color-border: #ddd;
    --color-white: #fff;

    /* Neutrals & semantic accents (still within token budget) */
    --color-text-strong: #333;
    --color-text-muted: #666;
    --color-info: #17a2b8;
    --color-warning: #ffc107;
    --color-warning-text: #856404;
    --color-warning-bg: #fff3cd;
    --color-primary-soft: #e8f4f7;
    --color-accent-soft: #fde7d8;
    --color-purple: #9c27b0;

    /* Aliases — no extra hex */
    --color-black: var(--color-text-strong);
    --color-muted: var(--color-text-muted);
    --color-muted-hover: var(--color-text-muted);
    --color-info-hover: var(--color-primary-hover);
    --color-info-bg: var(--color-primary-soft);
    --color-info-text: var(--color-nav);
    --color-info-border: var(--color-info);
    --color-purple-bg: var(--color-primary-soft);

    /* Spacing scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;

    /* Radius scale */
    --radius-small: 6px;
    --radius-default: 8px;
    --radius-card: 12px;

    /* Shadows */
    --shadow-header: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 4px 8px rgba(0, 0, 0, 0.1);

    /* Type scale */
    --font-size-xs: 13px;
    --font-size-sm: 14px;
    --font-size-md: 16px;
    --font-size-lg: 20px;
    --font-size-xl: 24px;
}

/* Allgemeine Stile für die gesamte Anwendung */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
    font-size: var(--font-size-md);
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
}

/* Header-Stile (landing / legacy flex header) */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    background-color: var(--color-primary);
    color: var(--color-text);
    padding: var(--space-5) 15px;
    box-shadow: var(--shadow-header);
    position: relative;
}

header img {
    max-width: 120px;
    height: auto;
    margin-bottom: 10px;
}

/* Shared app chrome (layout_top.php) — page style blocks may refine further */
.header {
    background-color: var(--color-primary);
    color: var(--color-text);
    padding: var(--space-5) 15px;
    text-align: center;
    box-shadow: var(--shadow-header);
}

.header img {
    max-width: 120px;
    height: auto;
    margin-bottom: 10px;
}

.header h1 {
    font-size: 30px;
    font-weight: 600;
    margin-bottom: 15px;
}

.course-pill {
    display: inline-block;
    margin-left: 10px;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-small);
    font-size: 0.8em;
    vertical-align: middle;
}

.nav-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin: 10px 0;
    width: 100%;
}

.nav-button {
    color: white;
    text-decoration: none;
    font-size: var(--font-size-md);
    padding: 10px var(--space-5);
    background-color: var(--color-nav);
    border-radius: var(--radius-default);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.nav-button:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

.nav-button.active {
    background-color: var(--color-accent);
}

/* Custom navigation links (from navigation_links.json via config.php) */
.nav-button.nav-button-custom {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    line-height: 1.15;
    gap: 2px;
}

.nav-button.nav-button-custom .nav-link-text {
    display: block;
}

.nav-button.nav-button-custom .nav-link-hint {
    display: block;
    font-size: 10px;
    font-weight: normal;
    color: var(--color-accent);
    line-height: 1;
}

.nav-button.nav-button-custom:hover .nav-link-hint,
.nav-button.nav-button-custom.active .nav-link-hint {
    color: rgba(255, 255, 255, 0.95);
}

header .center-content {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

header .center-content img {
    max-width: 100px;
    height: auto;
    display: block;
    margin: 0 auto;
}

header .center-content h1 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin: 0;
    color: var(--color-text);
}

/* Container-Stile */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-5);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-5);
}

/* Karten-Stile */
.card {
    background: var(--color-white);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
    flex: 1;
    min-width: 300px;
}

.card h2 {
    color: var(--color-text);
    font-size: 1.8em;
    margin-bottom: var(--space-5);
    text-align: center;
}

/* Formular-Stile */
.form-input {
    width: 100%;
    padding: var(--space-3);
    margin-bottom: 15px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-default);
    font-size: var(--font-size-md);
    transition: border-color 0.3s ease;
}

.form-input:focus {
    border-color: var(--color-primary);
}

/* Keyboard focus ring (do not suppress with outline: none) */
:focus-visible {
    outline: 2px solid var(--color-nav);
    outline-offset: 2px;
}

/* Visually hidden but available to screen readers */
.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;
}

/* Button-Stile */
.btn-primary {
    background-color: var(--color-nav);
    color: white;
    padding: var(--space-3) var(--space-5);
    border: none;
    border-radius: var(--radius-default);
    cursor: pointer;
    font-size: var(--font-size-md);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

/* Canonical: teal secondary (not grey #6c757d) */
.btn-secondary {
    background-color: var(--color-primary);
    color: white;
    padding: 10px var(--space-5);
    border: none;
    border-radius: var(--radius-default);
    cursor: pointer;
    transition: background-color 0.3s ease;
    text-decoration: none;
    display: inline-block;
    font-size: var(--font-size-md);
}

.btn-secondary:hover {
    background-color: var(--color-primary-hover);
}

.btn-danger {
    background-color: var(--color-danger);
    color: white;
    padding: 10px var(--space-5);
    border: none;
    border-radius: var(--radius-default);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

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

.btn-success {
    background-color: var(--color-success);
    color: white;
    padding: 10px var(--space-5);
    border: none;
    border-radius: var(--radius-default);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-success:hover {
    background-color: var(--color-success-hover);
}

/* Tabellen-Stile */
.table-container {
    overflow-x: auto;
    background: var(--color-white);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: var(--space-5);
    margin-top: var(--space-5);
    width: 100%;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    border: 1px solid var(--color-border);
    padding: var(--space-3);
    text-align: left;
}

.table th {
    background-color: var(--color-primary);
    color: var(--color-text);
}

.table tr:nth-child(even) {
    background-color: var(--color-bg);
}

.table tr:hover {
    background-color: var(--color-bg-muted);
}

/* Navigation-Stile */
.navigation-btn {
    position: fixed;
    top: var(--space-5);
    left: var(--space-5);
    z-index: 50;
    background-color: var(--color-nav);
    color: white;
    padding: 10px 15px;
    border-radius: 50%;
    box-shadow: var(--shadow-header);
    transition: all 0.3s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.navigation-btn:hover {
    background-color: var(--color-accent);
    transform: scale(1.1);
}

/* Login-Stile */
.login-container {
    background-color: var(--color-white);
    padding: var(--space-5);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    text-align: center;
    width: 350px;
    margin: 0 auto;
}

.login-container h1 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-5);
    color: var(--color-text);
}

.login-container input[type="password"] {
    width: 80%;
    padding: 10px;
    margin-bottom: var(--space-5);
    border-radius: var(--radius-default);
    border: 1px solid var(--color-border);
}

.login-container .error {
    color: var(--color-danger);
    margin-top: 10px;
}

/* Fehler- und Erfolgsmeldungen */
.error-text {
    color: var(--color-accent);
    font-size: 0.875rem;
    margin-top: -10px;
    margin-bottom: 10px;
    display: none;
}

.success-message {
    background-color: var(--color-success-bg);
    color: var(--color-success-text);
    padding: 10px;
    margin-bottom: 15px;
    border-radius: var(--radius-default);
    text-align: center;
}

.error-message {
    background-color: var(--color-danger-bg);
    color: var(--color-danger-text);
    padding: 10px;
    margin-bottom: 15px;
    border-radius: var(--radius-default);
    text-align: center;
}

/* Formularfelder */
.required-field::after {
    content: ' *';
    color: var(--color-accent);
}

/* Footer-Stile */
footer {
    background-color: var(--color-primary);
    color: var(--color-text);
    text-align: center;
    padding: 15px;
    margin-top: auto;
}

footer a {
    color: var(--color-text-strong);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Utility: danger / success text & bg (replace common inline overrides) */
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-accent { color: var(--color-accent); }
.bg-danger { background-color: var(--color-danger); color: white; }
.bg-success { background-color: var(--color-success); color: white; }
.bg-accent { background-color: var(--color-accent); color: white; }
.bg-primary { background-color: var(--color-primary); }
.bg-nav { background-color: var(--color-nav); color: white; }
.bg-muted { background-color: var(--color-bg-muted); }

.bg-warning { background-color: var(--color-warning); color: var(--color-text-strong); }
.text-warning { color: var(--color-warning-text); }
.text-muted { color: var(--color-text-muted); }


/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        flex-direction: column;
    }

    .card {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .card {
        padding: 15px;
    }

    .table {
        font-size: var(--font-size-sm);
    }

    header {
        flex-direction: column;
        padding: 15px 10px;
    }

    header .center-content {
        position: relative;
        left: 0;
        transform: none;
        margin: 10px 0;
    }
}

@media (max-width: 480px) {
    .card h2 {
        font-size: 1.5em;
    }

    .form-input {
        font-size: var(--font-size-sm);
    }

    .btn-primary,
    .btn-secondary,
    .btn-danger,
    .btn-success {
        width: 100%;
        margin: 5px 0;
    }

    .login-container {
        width: 90%;
    }
}

/* Responsive wide-table wrapper */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    max-width: 100%;
    margin-bottom: var(--space-5);
}

.table-responsive > table {
    width: 100%;
    border-collapse: collapse;
}

/* Behandlungshistorie: expandable session detail row */
tr.session-history-detail-row {
    display: none;
}

tr.session-history-detail-row.is-expanded {
    display: table-row;
}

tr.session-history-detail-row.is-expanded > td {
    background-color: var(--color-bg);
    padding: var(--space-3) var(--space-4);
    vertical-align: top;
}

button.session-history-toggle {
    background: none;
    border: none;
    color: var(--color-info);
    cursor: pointer;
    font-weight: 600;
    padding: 0;
    text-decoration: underline;
    font-size: inherit;
}

button.session-history-toggle:hover {
    color: var(--color-info-hover);
}

@media (max-width: 768px) {
    .table-responsive {
        border-radius: var(--radius-default);
    }
}

@supports (-webkit-touch-callout: none) {
    .table-responsive {
        -webkit-overflow-scrolling: touch;
    }
}

/* iOS spezifische Anpassungen */
@supports (-webkit-touch-callout: none) {
    input,
    button {
        font-size: var(--font-size-md);
        border-radius: 0;
    }

    body {
        padding-bottom: 60px;
    }
}

.text-nav { color: var(--color-nav); }
.text-body { color: var(--color-text); }
.bg-muted-solid { background-color: var(--color-muted); color: var(--color-white); }
.bg-page { background-color: var(--color-bg); }
.bg-white { background-color: var(--color-white); }
.bg-warning-soft { background-color: var(--color-warning-bg); }
.bg-warning-text { background-color: var(--color-warning-text); color: var(--color-white); }
.bg-info-soft { background-color: var(--color-info-bg); }
.bg-primary-soft { background-color: var(--color-primary-soft); }
.text-primary { color: var(--color-primary); }