/* ============================================
   EliMedi Common Styles
   Based on Office Ally layout with modern UI
   ============================================ */

:root {
    /* Colors - Based on EliMedi logo teal/navy gradient */
    --primary: #1a5a6e;
    --primary-dark: #0f3d4d;
    --primary-light: #2b7a8c;
    --secondary: #64748b;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0891b2;

    /* Backgrounds */
    --bg-body: #f1f5f9;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-header: #0f3d4d;
    --bg-nav: #e2e8f0;
    --bg-subnav: #f1f5f9;

    /* Text */
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    --text-link: #2563eb;

    /* Borders */
    --border-color: #e2e8f0;
    --border-dark: #cbd5e1;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);

    /* Sizes */
    --header-height: 50px;
    --nav-height: 36px;
    --subnav-height: 32px;
    --sidebar-width: 200px;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 13px;
    --font-size-lg: 14px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
}

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

html, body {
    height: 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: var(--font-size-base);
    line-height: 1.4;
    color: var(--text-primary);
    background: var(--bg-body);
}

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

a:hover {
    text-decoration: underline;
}

/* ============================================
   Layout Structure
   ============================================ */

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-wrapper {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.content-area {
    flex: 1;
    overflow: auto;
    padding: var(--spacing-md);
    background: var(--bg-body);
}

/* ============================================
   Header
   ============================================ */

.app-header {
    height: var(--header-height);
    background: linear-gradient(135deg, var(--bg-header) 0%, #1a5a6e 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    box-shadow: var(--shadow-md);
    z-index: 100;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.header-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    background: white;
    padding: 4px 10px;
    border-radius: 4px;
}

.header-logo-link:hover {
    text-decoration: none;
    opacity: 0.95;
}

.header-logo-img {
    height: 28px;
    width: auto;
}

/* Fallback for old SVG logo */
.header-logo {
    width: 32px;
    height: 32px;
    background: rgba(255,255,255,0.2);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-logo svg {
    width: 20px;
    height: 20px;
    color: white;
}

.header-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-white);
    letter-spacing: -0.5px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.header-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-white);
    font-size: var(--font-size-sm);
}

.header-user-name {
    font-weight: 500;
}

.header-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header-links a {
    color: rgba(255,255,255,0.8);
    font-size: var(--font-size-sm);
    transition: color 0.2s;
}

.header-links a:hover {
    color: white;
    text-decoration: none;
}

/* ============================================
   Main Navigation Tabs
   ============================================ */

.main-nav {
    height: var(--nav-height);
    background: var(--bg-nav);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: stretch;
    padding: 0 var(--spacing-md);
    gap: 2px;
}

.nav-tab {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.nav-tab:hover {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
}

.nav-tab.active {
    color: var(--primary);
    background: var(--bg-white);
    border-bottom-color: var(--primary);
    border-radius: 4px 4px 0 0;
}

/* ============================================
   Sub Navigation
   ============================================ */

.sub-nav {
    height: var(--subnav-height);
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    gap: var(--spacing-sm);
}

.sub-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}

.sub-nav-btn:hover {
    background: var(--bg-nav);
    border-color: var(--border-dark);
}

.sub-nav-btn.primary {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.sub-nav-btn.primary:hover {
    background: var(--primary-dark);
}

.sub-nav-divider {
    width: 1px;
    height: 20px;
    background: var(--border-color);
    margin: 0 var(--spacing-xs);
}

/* ============================================
   Sidebar (Calendar)
   ============================================ */

.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-white);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    flex-shrink: 0;
}

.sidebar-section {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

/* Mini Calendar */
.mini-calendar {
    width: 100%;
}

.mini-calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.mini-calendar-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.mini-calendar-nav {
    display: flex;
    gap: 2px;
}

.mini-calendar-nav button {
    width: 20px;
    height: 20px;
    border: none;
    background: var(--bg-light);
    border-radius: 3px;
    cursor: pointer;
    font-size: 10px;
    color: var(--text-secondary);
}

.mini-calendar-nav button:hover {
    background: var(--bg-nav);
}

.mini-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
    text-align: center;
    font-size: var(--font-size-xs);
}

.mini-calendar-dow {
    padding: 4px 2px;
    font-weight: 600;
    color: var(--text-muted);
}

.mini-calendar-day {
    padding: 4px 2px;
    cursor: pointer;
    border-radius: 3px;
    color: var(--text-secondary);
}

.mini-calendar-day:hover {
    background: var(--bg-nav);
}

.mini-calendar-day.today {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.mini-calendar-day.selected {
    background: var(--primary-light);
    color: white;
}

.mini-calendar-day.other-month {
    color: var(--text-muted);
}

/* ============================================
   Panels & Cards
   ============================================ */

.panel {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: var(--spacing-md);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    border-radius: 4px 4px 0 0;
}

.panel-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.panel-body {
    padding: var(--spacing-md);
}

.panel-footer {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 4px 4px;
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.data-table th {
    background: var(--bg-light);
    padding: var(--spacing-sm);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.data-table tr:hover {
    background: var(--bg-light);
}

.data-table tr.selected {
    background: rgba(37, 99, 235, 0.1);
}

/* ============================================
   Forms
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-control {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-white);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.form-control-sm {
    padding: 2px 6px;
    font-size: var(--font-size-xs);
}

select.form-control {
    cursor: pointer;
}

/* Inline Form */
.form-inline {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.form-inline .form-group {
    margin-bottom: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.form-check input {
    width: 14px;
    height: 14px;
    accent-color: var(--primary);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: 4px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn-sm {
    padding: 2px var(--spacing-sm);
    font-size: var(--font-size-xs);
}

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

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

.btn-secondary {
    background: var(--bg-light);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background: var(--bg-nav);
    border-color: var(--border-dark);
}

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

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

.btn-link {
    background: transparent;
    border-color: transparent;
    color: var(--text-link);
    padding: 0;
}

.btn-link:hover {
    text-decoration: underline;
}

/* ============================================
   Badges & Status
   ============================================ */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 6px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: 3px;
}

.badge-primary { background: rgba(37, 99, 235, 0.1); color: var(--primary); }
.badge-success { background: rgba(5, 150, 105, 0.1); color: var(--success); }
.badge-warning { background: rgba(217, 119, 6, 0.1); color: var(--warning); }
.badge-danger { background: rgba(220, 38, 38, 0.1); color: var(--danger); }
.badge-secondary { background: var(--bg-nav); color: var(--text-secondary); }

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.active { background: var(--success); }
.status-dot.pending { background: var(--warning); }
.status-dot.inactive { background: var(--text-muted); }

/* ============================================
   Footer
   ============================================ */

.app-footer {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ============================================
   Utilities
   ============================================ */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }

.font-bold { font-weight: 600; }
.font-normal { font-weight: 400; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }

.cursor-pointer { cursor: pointer; }

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

@media (max-width: 1024px) {
    .sidebar {
        width: 180px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .header-links {
        display: none;
    }
}

/* ============================================
   Modal Styles (Global)
   ============================================ */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.show {
    display: flex;
}

.modal {
    background: var(--bg-white);
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal.modal-lg {
    max-width: 800px;
}

.modal.modal-sm {
    max-width: 400px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    font-size: 20px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.15s;
}

.modal-close:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-light);
    border-radius: 0 0 8px 8px;
}