/* Shared design system for the EMS Channel site.
   Page-specific layouts stay in each template; anything reused across
   two or more pages (colors, buttons, alerts, tables, forms, cards) lives here. */

@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@400;500;700&display=swap');

:root {
    --color-bg: #f4f7f6;
    --color-surface: #ffffff;
    --color-text: #333333;
    --color-heading: #2c3e50;
    --color-primary: #1a6ea8; /* Darkened from #3498db for WCAG AA contrast (4.5:1+) against white button/link text */
    --color-primary-hover: #155a87;
    --color-danger: #e74c3c;
    --color-danger-hover: #c0392b;
    --color-muted: #6c757d;
    --color-table-header: #34495e;
    --color-success: #28a745;
    --color-success-bg: #d4edda;
    --color-success-border: #c3e6cb;
    --color-info: #17a2b8;
    --color-info-bg: #d1ecf1;
    --color-info-border: #bee5eb;
    --color-error: #c0392b; /* Darkened from #e74c3c for WCAG AA contrast (4.5:1+) against --color-error-bg */
    --color-error-bg: #fdeded;
    --color-gray-bg: #e9ecef;
    --radius: 8px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --font-family: 'Rubik', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, #eef2f3 0%, #dfe9f3 50%, #e6eef5 100%) fixed;
    color: var(--color-text);
    margin: 0;
    min-height: 100vh;
}

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

a:hover {
    text-decoration: underline;
}

/* Site-wide top bar shown on authenticated pages (landing, sheet display, shift schedule) */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--color-heading);
    color: #ffffff;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.site-header .brand {
    font-size: 1.1em;
    font-weight: 700;
    color: #ffffff;
    white-space: nowrap;
}

.site-header .brand:hover {
    text-decoration: none;
    opacity: 0.9;
}

.site-header .site-nav {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 0.9em;
}

.site-header .site-nav a {
    color: #ecf0f1;
}

.site-header .site-nav a:hover {
    color: #ffffff;
}

.site-header .user-info-bar {
    background: transparent;
    color: inherit;
    padding: 0;
    margin: 0;
    border-radius: 0;
    font-size: 0.85em;
}

.site-header .user-info-bar span strong {
    color: #ffffff;
}

.site-header form {
    margin: 0;
}

.btn-logout,
.btn-profile {
    display: inline-block;
    background: var(--color-danger);
    color: #ffffff;
    padding: 8px 18px;
    font-size: 0.9em;
    font-weight: 500;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

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

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

.btn-profile:hover {
    background: var(--color-primary-hover);
    text-decoration: none;
}

/* Centered single-card pages: login, register, reset-password */
body.auth-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.auth-brand {
    color: var(--color-heading);
    font-size: 1.3em;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}

.auth-card {
    background: linear-gradient(180deg, #ffffff 0%, #f7f9fb 100%);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.auth-card.wide {
    max-width: 500px;
}

.auth-card h1 {
    color: var(--color-heading);
    margin-bottom: 30px;
}

.auth-links {
    margin-top: 20px;
    font-size: 0.9em;
}

.auth-links a {
    margin: 0 10px;
}

.legal-links {
    margin-top: 8px;
    font-size: 0.75em;
}

.legal-links a {
    margin: 0 8px;
    color: var(--color-muted);
}

.app-version {
    margin-top: 16px;
    font-size: 0.7em;
    color: var(--color-muted);
    text-align: center;
}

/* Full-width content pages: landing, sheet display, shift schedule */
.page-container {
    max-width: 900px;
    margin: 20px auto;
    background: linear-gradient(180deg, #ffffff 0%, #f7f9fb 100%);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.page-container.wide {
    max-width: 1200px;
}

.page-container.full-width {
    max-width: none;
    margin: 20px;
}

.page-header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.page-header h1 {
    color: var(--color-heading);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.mda-star {
    flex-shrink: 0;
}

.auth-card h1 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.section-heading {
    color: var(--color-heading);
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

/* User info bar shown across authenticated pages */
.user-info-bar {
    background-color: var(--color-muted);
    color: #ffffff;
    padding: 8px 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    text-align: right;
    font-size: 0.9em;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
    gap: 15px;
}

.user-info-bar span {
    margin: 0;
    white-space: nowrap;
}

.user-info-bar span strong {
    font-weight: bold;
    color: #f8f9fa;
}

/* Alerts / message boxes */
.alert {
    padding: 12px 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-align: right;
    font-size: 0.95em;
}

.alert p {
    margin: 0;
}

.alert-error {
    color: var(--color-error);
    background-color: var(--color-error-bg);
    border: 1px solid var(--color-error);
}

.alert-info {
    color: var(--color-info);
    background-color: var(--color-info-bg);
    border: 1px solid var(--color-info-border);
}

.alert-success {
    color: var(--color-success);
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
}

/* Forms */
.form-group {
    margin-bottom: 18px;
    text-align: right;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
    color: #555;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.2s ease;
    text-align: center;
}

.btn:hover {
    background-color: var(--color-primary-hover);
    text-decoration: none;
}

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

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

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

.btn-success:hover {
    background-color: #218838;
}

.btn-block {
    width: 100%;
}

/* Tables */
table.data-table {
    width: 100%;
    border-collapse: collapse;
}

table.data-table th,
table.data-table td {
    border: 1px solid #e0e0e0;
    padding: 10px 12px;
    text-align: right;
    vertical-align: top;
}

table.data-table th {
    background-color: var(--color-table-header);
    color: #ffffff;
    font-weight: bold;
}

table.data-table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}

table.data-table tbody tr:hover {
    background-color: #eef;
    transition: background-color 0.2s ease;
}

/* Generic horizontal-scroll wrapper for any table that isn't already inside its own
   page-specific scroll container - keeps wide tables from forcing the whole page to scroll. */
.data-table-scroll {
    overflow-x: auto;
}

/* Responsive adjustments for phones/small tablets */
@media (max-width: 600px) {
    .page-container {
        margin: 10px;
        padding: 16px;
    }

    .page-container.full-width {
        margin: 8px;
    }

    .auth-card {
        padding: 24px;
    }

    body.auth-page {
        padding: 10px;
    }

    .site-header {
        padding: 10px 14px;
    }

    .site-header .site-nav {
        gap: 10px;
        font-size: 0.85em;
    }

    .page-header h1 {
        font-size: 1.3em;
    }

    table.data-table th,
    table.data-table td {
        padding: 6px 8px;
        font-size: 0.9em;
    }

    .form-group input,
    .form-group select {
        font-size: 16px; /* Prevents iOS Safari from auto-zooming in on focus */
    }
}