/* assets/css/style.css - Cachhar Cancer Hospital & Research Centre Brand System */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,600&display=swap');

:root {
    /* CCHRC Brand Palette */
    --cchrc-midnight: #21265C;
    --cchrc-steel-blue: #304280;
    --cchrc-cerulean: #129EC7;
    --cchrc-orange: #E88F24;
    --cchrc-yellow: #E0CF21;

    /* Secondary Brand Hues */
    --cchrc-mint: #70C389;
    --cchrc-teal: #19A38B;
    --cchrc-lavender: #9E8FC4;
    --cchrc-purple: #7451A1;
    --cchrc-pink: #D75480;
    --cchrc-apricot: #F9A341;

    /* Dark Mode Defaults (Inspired by CCHRC Deck Cover Waves) */
    --bg-main: #131635;
    --bg-main-gradient: radial-gradient(circle at 80% 10%, #21265C 0%, #11132c 70%, #0d0f23 100%);
    --bg-card: rgba(33, 38, 92, 0.45);
    --bg-card-hover: rgba(48, 66, 128, 0.6);
    --bg-card-solid: #191e47;
    --bg-input: #0e1026;
    
    --primary: #129EC7;
    --primary-hover: #0e85a8;
    --primary-light: rgba(18, 158, 199, 0.18);
    
    --secondary: #E88F24;
    --secondary-hover: #cf7913;
    
    --accent-yellow: #E0CF21;
    --accent-steel: #304280;
    --accent-purple: #7451A1;
    --accent-teal: #19A38B;

    --text-main: #ffffff;
    --text-muted: #b0bee3;
    --border-color: rgba(48, 66, 128, 0.55);
    --border-color-highlight: rgba(18, 158, 199, 0.5);

    --status-pending: #E88F24;
    --status-submitted: #129EC7;
    --status-info: #9E8FC4;
    --status-approved: #70C389;
    --status-rejected: #D75480;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Montserrat', sans-serif;
}

/* Light Mode Overrides */
body.light-mode {
    --bg-main: #f4f6fb;
    --bg-main-gradient: linear-gradient(135deg, #f8fafc 0%, #eef2f9 100%);
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;
    --bg-card-solid: #ffffff;
    --bg-input: #ffffff;

    --primary: #21265C;
    --primary-hover: #16193f;
    --primary-light: rgba(33, 38, 92, 0.08);

    --secondary: #129EC7;
    --secondary-hover: #0e83a7;

    --text-main: #141738;
    --text-muted: #53627c;
    --border-color: #dbe2ef;
    --border-color-highlight: #b0c4de;

    --status-pending: #d97706;
    --status-submitted: #0284c7;
    --status-info: #7451A1;
    --status-approved: #19A38B;
    --status-rejected: #d93868;
}

body.light-mode .badge-sent { background: #fff7ed; color: #c2410c; border: 1px solid #E88F24; }
body.light-mode .badge-submitted { background: #e0f2fe; color: #0369a1; border: 1px solid #129EC7; }
body.light-mode .badge-info_requested { background: #f3e8ff; color: #6b21a8; border: 1px solid #9E8FC4; }
body.light-mode .badge-approved { background: #ecfdf5; color: #047857; border: 1px solid #70C389; }
body.light-mode .badge-rejected { background: #fff1f2; color: #be123c; border: 1px solid #D75480; }

body.light-mode .custom-table th { background: #eef2f9; color: #21265C; }
body.light-mode .simulated-inbox-banner { background: linear-gradient(135deg, #eef2ff, #e0e7ff); border-color: #304280; color: #1e1b4b; }
body.light-mode .simulated-inbox-title { color: #21265C; }


* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    background-image: var(--bg-main-gradient);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Navbar */
.navbar {
    background: rgba(25, 30, 71, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.85rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

body.light-mode .navbar {
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border-color);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.brand-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-title-group {
    display: flex;
    flex-direction: column;
}

.brand-title-main {
    font-weight: 800;
    font-size: 1.05rem;
    line-height: 1.1;
    color: var(--text-main);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.brand-title-sub {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--cchrc-cerulean);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

body.light-mode .brand-title-sub {
    color: var(--cchrc-steel-blue);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s, transform 0.2s;
}

.nav-link:hover, .nav-link.active {
    color: var(--cchrc-cerulean);
}

body.light-mode .nav-link:hover, body.light-mode .nav-link.active {
    color: var(--cchrc-midnight);
}

.user-badge {
    background: var(--primary-light);
    border: 1px solid var(--primary);
    color: var(--cchrc-cerulean);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

body.light-mode .user-badge {
    color: var(--cchrc-midnight);
}

.theme-toggle-btn {
    background: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.4rem 0.85rem;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
    border-color: var(--cchrc-cerulean);
    color: var(--cchrc-cerulean);
    transform: translateY(-1px);
}

/* Main Container */
.main-container {
    flex: 1;
    max-width: 1280px;
    width: 100%;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

/* Cards & Layout */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 2rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 12px 30px -5px rgba(0, 0, 0, 0.35);
    margin-bottom: 2rem;
}

body.light-mode .card {
    box-shadow: 0 10px 25px -5px rgba(33, 38, 92, 0.08);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.01em;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.72rem 1.45rem;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.92rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.22s ease;
    font-family: var(--font-heading);
}

.btn-primary {
    background: linear-gradient(135deg, var(--cchrc-cerulean), var(--cchrc-steel-blue));
    color: #fff;
    box-shadow: 0 4px 14px rgba(18, 158, 199, 0.35);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0e85a8, var(--cchrc-midnight));
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(18, 158, 199, 0.45);
}

body.light-mode .btn-primary {
    background: linear-gradient(135deg, var(--cchrc-midnight), var(--cchrc-steel-blue));
    box-shadow: 0 4px 14px rgba(33, 38, 92, 0.25);
}

body.light-mode .btn-primary:hover {
    background: linear-gradient(135deg, #141738, var(--cchrc-cerulean));
}

.btn-secondary {
    background: var(--bg-card-hover);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--cchrc-cerulean);
    color: var(--cchrc-cerulean);
    transform: translateY(-1px);
}

.btn-amber {
    background: linear-gradient(135deg, var(--cchrc-orange), #d97706);
    color: #fff;
    box-shadow: 0 4px 12px rgba(232, 143, 36, 0.3);
}
.btn-amber:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--cchrc-pink), #dc2626);
    color: #fff;
    box-shadow: 0 4px 12px rgba(215, 84, 128, 0.3);
}
.btn-danger:hover {
    background: linear-gradient(135deg, #be123c, #991b1b);
    transform: translateY(-1px);
}

.btn-success {
    background: linear-gradient(135deg, var(--cchrc-teal), #059669);
    color: #fff;
    box-shadow: 0 4px 12px rgba(25, 163, 139, 0.3);
}
.btn-success:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-1px);
}

/* CCHRC Hero Banner */
.cchrc-hero {
    background: linear-gradient(135deg, rgba(33, 38, 92, 0.85), rgba(48, 66, 128, 0.65)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(18,158,199,0.05)" stroke-width="2"/></svg>');
    border: 1px solid var(--border-color-highlight);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    margin-bottom: 2.5rem;
    position: relative;
    overflow: hidden;
}

body.light-mode .cchrc-hero {
    background: linear-gradient(135deg, #ffffff, #eef3fb);
    border-color: var(--border-color-highlight);
}

.cchrc-quote-box {
    background: rgba(18, 158, 199, 0.08);
    border-left: 4px solid var(--cchrc-orange);
    padding: 1rem 1.25rem;
    border-radius: 0 12px 12px 0;
    margin: 1.5rem 0;
    font-style: italic;
    color: var(--text-muted);
}

body.light-mode .cchrc-quote-box {
    background: rgba(33, 38, 92, 0.04);
}

/* Dashboard Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.2s;
}

.metric-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-color-highlight);
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--metric-color, var(--cchrc-cerulean));
}

.metric-value {
    font-family: var(--font-heading);
    font-size: 2.3rem;
    font-weight: 900;
    color: var(--text-main);
    margin-top: 0.25rem;
}

.metric-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.8rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-sent { background: rgba(232, 143, 36, 0.18); color: #fbbf24; border: 1px solid var(--cchrc-orange); }
.badge-submitted { background: rgba(18, 158, 199, 0.18); color: #38bdf8; border: 1px solid var(--cchrc-cerulean); }
.badge-info_requested { background: rgba(158, 143, 196, 0.18); color: #c084fc; border: 1px solid var(--cchrc-lavender); }
.badge-approved { background: rgba(112, 195, 137, 0.18); color: #4ade80; border: 1px solid var(--cchrc-mint); }
.badge-rejected { background: rgba(215, 84, 128, 0.18); color: #f87171; border: 1px solid var(--cchrc-pink); }

/* Table Styling */
.table-responsive {
    width: 100%;
    overflow-x: auto;
}

.custom-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    text-align: left;
}

.custom-table th {
    background: rgba(16, 19, 44, 0.85);
    color: var(--text-muted);
    padding: 1rem 1.25rem;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
    border-bottom: 1px solid var(--border-color);
}

.custom-table td {
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.92rem;
}

.custom-table tr:hover td {
    background: rgba(18, 158, 199, 0.05);
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1.35rem;
}

.form-label {
    display: block;
    font-weight: 700;
    margin-bottom: 0.45rem;
    font-size: 0.88rem;
    color: var(--text-main);
    letter-spacing: 0.01em;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1.1rem;
    background-color: var(--bg-input);
    border: 1.5px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    border-color: var(--cchrc-cerulean);
    box-shadow: 0 0 0 3px rgba(18, 158, 199, 0.25);
}

textarea.form-control {
    resize: vertical;
    min-height: 95px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
}

/* Wizard / Step Progress */
.wizard-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2.25rem;
    position: relative;
}

.wizard-header::before {
    content: '';
    position: absolute;
    top: 22px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--border-color);
    z-index: 1;
}

.wizard-step-item {
    position: relative;
    z-index: 2;
    background: var(--bg-card-solid);
    padding: 0 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    cursor: pointer;
}

.step-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.wizard-step-item.active .step-number {
    background: var(--cchrc-cerulean);
    border-color: var(--cchrc-yellow);
    color: #fff;
    box-shadow: 0 0 18px rgba(18, 158, 199, 0.6);
}

.wizard-step-item.completed .step-number {
    background: var(--cchrc-teal);
    border-color: var(--cchrc-mint);
    color: #fff;
}

.step-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
}

.wizard-step-item.active .step-label {
    color: var(--cchrc-cerulean);
}

body.light-mode .wizard-step-item.active .step-label {
    color: var(--cchrc-midnight);
}

.wizard-content-step {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.wizard-content-step.active {
    display: block;
}

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

/* File Upload Zone */
.dropzone {
    border: 2px dashed var(--border-color-highlight);
    border-radius: 14px;
    padding: 2.25rem;
    text-align: center;
    background: rgba(18, 158, 199, 0.04);
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.dropzone:hover {
    border-color: var(--cchrc-cerulean);
    background: rgba(18, 158, 199, 0.09);
}

.dropzone-icon {
    font-size: 2.5rem;
    color: var(--cchrc-cerulean);
    margin-bottom: 0.5rem;
}

/* OTP Box Input */
.otp-input-container {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    margin: 1.5rem 0;
}

.otp-box {
    width: 50px;
    height: 60px;
    text-align: center;
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--bg-input);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--cchrc-cerulean);
    font-family: var(--font-heading);
}

.otp-box:focus {
    border-color: var(--cchrc-cerulean);
    box-shadow: 0 0 0 3px rgba(18, 158, 199, 0.25);
    outline: none;
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 16, 38, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    background: var(--bg-card-solid);
    border: 1px solid var(--border-color-highlight);
    border-radius: 18px;
    width: 90%;
    max-width: 650px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.65);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
}

/* Simulation Email Box Banner */
.simulated-inbox-banner {
    background: linear-gradient(135deg, #1b204e, #21265C);
    border: 1px solid var(--cchrc-cerulean);
    border-radius: 14px;
    padding: 1.25rem;
    margin: 1.5rem 0;
    color: #e0e7ff;
}

.simulated-inbox-title {
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--cchrc-cerulean);
    margin-bottom: 0.5rem;
}

/* Alert Notification Boxes */
.alert {
    padding: 1rem 1.25rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
}
.alert-info { background: rgba(18, 158, 199, 0.14); border: 1px solid var(--cchrc-cerulean); color: #7dd3fc; }
.alert-warning { background: rgba(232, 143, 36, 0.14); border: 1px solid var(--cchrc-orange); color: #fde047; }
.alert-success { background: rgba(112, 195, 137, 0.14); border: 1px solid var(--cchrc-mint); color: #6ee7b7; }
.alert-danger { background: rgba(215, 84, 128, 0.14); border: 1px solid var(--cchrc-pink); color: #fca5a5; }

body.light-mode .alert-info { color: #0284c7; }
body.light-mode .alert-warning { color: #b45309; }
body.light-mode .alert-success { color: #047857; }
body.light-mode .alert-danger { color: #be123c; }

/* Decision Matrix Panel */
.decision-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.decision-card {
    background: var(--bg-main);
    border: 1.5px solid var(--border-color);
    border-radius: 14px;
    padding: 1.25rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.decision-card:hover {
    border-color: var(--cchrc-cerulean);
    transform: translateY(-2px);
}

/* Footer */
footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
    background: rgba(15, 18, 43, 0.95);
    margin-top: auto;
}

body.light-mode footer {
    background: #eef2f9;
    border-top-color: var(--border-color);
}

/* Official CCHRC SVG Logo Adaptation */
.cchrc-svg-logo {
    display: inline-block;
    vertical-align: middle;
    transition: transform 0.2s ease;
}
.cchrc-svg-logo:hover {
    transform: scale(1.02);
}
.cchrc-svg-logo .cchrc-logo-text {
    fill: #ffffff;
    transition: fill 0.2s ease;
}
body.light-mode .cchrc-svg-logo .cchrc-logo-text,
.letter-paper .cchrc-svg-logo .cchrc-logo-text {
    fill: #131C35;
}

/* Printable Approval Letter Styles */
@media print {
    body { background: #fff !important; color: #000 !important; }
    .navbar, footer, .btn, .no-print { display: none !important; }
    .main-container { max-width: 100% !important; margin: 0 !important; padding: 0 !important; }
    .letter-paper { border: none !important; box-shadow: none !important; background: #fff !important; color: #000 !important; padding: 2rem !important; }
    .cchrc-svg-logo .cchrc-logo-text { fill: #131C35 !important; }
}