/* Modern Healthcare Design Tokens */
:root {
    --primary: #0F766E;           /* Deep Emerald */
    --primary-light: #14B8A6;     /* Bright Teal */
    --primary-dark: #115E59;      /* Forest Teal */
    --accent: #0284C7;             /* Medical Blue */
    --accent-light: #38BDF8;
    --background: #F8FAFC;         /* Soft Gray Slate */
    --card-bg: #FFFFFF;
    --sidebar-bg: #0F172A;         /* Slate Navy */
    --sidebar-hover: #1E293B;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --success: #10B981;
    --success-bg: #ECFDF5;
    --warning: #F59E0B;
    --warning-bg: #FFFBEB;
    --danger: #EF4444;
    --danger-bg: #FEF2F2;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 4px 14px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0 10px 25px rgba(15, 23, 42, 0.1);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* App Container Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Navigation */
.app-sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: #F8FAFC;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Desktop Sidebar Collapse */
.app-container.sidebar-collapsed .app-sidebar {
    transform: translateX(-260px);
}

.app-container.sidebar-collapsed .app-main {
    margin-left: 0;
}

.sidebar-brand {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: #FFFFFF;
    letter-spacing: -0.5px;
}

.brand-logo i {
    color: var(--primary-light);
    font-size: 24px;
}

.brand-sub {
    font-size: 11px;
    color: #94A3B8;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 700;
    margin-top: 4px;
    display: block;
}

.sidebar-menu {
    flex: 1;
    padding: 16px 12px;
    overflow-y: auto;
}

.menu-label {
    font-size: 10.5px;
    font-weight: 800;
    color: #64748B;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 12px 12px 6px;
}

.nav-link-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: #94A3B8;
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-bottom: 2px;
    transition: all 0.2s ease;
}

.nav-link-item i {
    font-size: 17px;
    color: #64748B;
    transition: color 0.2s ease;
}

.nav-link-item:hover {
    background-color: var(--sidebar-hover);
    color: #FFFFFF;
}

.nav-link-item:hover i {
    color: var(--primary-light);
}

.nav-link-item.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #FFFFFF;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}

.nav-link-item.active i {
    color: #FFFFFF;
}

.sidebar-user {
    padding: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.15);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: #FFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
}

/* Main Workspace Layout */
.app-main {
    margin-left: 260px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: margin-left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.app-header {
    height: 64px;
    background: #FFFFFF;
    border-bottom: 1px solid var(--border-color);
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 90;
    box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.page-title-heading {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.4px;
}

.main-body {
    padding: 28px;
    max-width: 1320px;
    width: 100%;
    margin: 0 auto;
}

/* Modern Card Styling */
.card-panel {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-card);
    transition: all 0.2s ease;
}

.card-panel:hover {
    box-shadow: var(--shadow-hover);
}

.panel-header-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-header-title i {
    color: var(--primary);
}

/* Stats Cards */
.stats-grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.stat-box {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-card);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease;
}

.stat-box:hover {
    transform: translateY(-2px);
}

.stat-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary);
}

.stat-box.blue::before { background: var(--accent); }
.stat-box.green::before { background: var(--success); }
.stat-box.orange::before { background: var(--warning); }
.stat-box.red::before { background: var(--danger); }

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-main);
    line-height: 1;
    letter-spacing: -1px;
}

.stat-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-top: 6px;
}

/* Quick Module Cards */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 18px;
    margin-bottom: 28px;
}

.module-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    text-decoration: none;
    color: inherit;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}

.module-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.module-icon-wrap {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.1) 0%, rgba(14, 165, 233, 0.1) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 16px;
}

.module-title-text {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
}

.module-desc-text {
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Form Controls */
.form-section-divider {
    font-size: 12px;
    font-weight: 800;
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-light);
    margin: 24px 0 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group-field {
    display: flex;
    flex-direction: column;
    margin-bottom: 14px;
}

.form-group-field label {
    font-size: 11.5px;
    font-weight: 800;
    color: #334155;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

input[type="text"],
input[type="number"],
input[type="date"],
input[type="month"],
input[type="email"],
input[type="password"],
input[type="tel"],
select,
textarea {
    height: 42px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0 14px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text-main);
    background: #FFFFFF;
    transition: all 0.15s ease;
    width: 100%;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3.5px rgba(13, 148, 136, 0.15);
}

input[readonly] {
    background: #F1F5F9;
    color: var(--text-muted);
    font-weight: 600;
}

textarea {
    height: 75px;
    padding: 12px 14px;
    resize: vertical;
}

/* OPD Form Compact Rows */
.opd-form-row {
    display: grid;
    gap: 14px;
    margin-bottom: 14px;
    align-items: end;
}

.row-visit-grid { grid-template-columns: 140px 90px 170px 140px 1fr; }
.row-patient-grid { grid-template-columns: 85px 100px 120px 150px 1fr; }
.row-vitals-grid { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
.row-2col-grid { grid-template-columns: 1fr 1fr; }

/* Dynamic Vitals Triage Badges */
.triage-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 4px;
}

.triage-normal { background: var(--success-bg); color: var(--success); border: 1px solid #A7F3D0; }
.triage-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid #FDE68A; }
.triage-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid #FECACA; }

/* Buttons */
.btn-emerald {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(13, 148, 136, 0.25);
}

.btn-emerald:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    box-shadow: 0 6px 16px rgba(13, 148, 136, 0.35);
    transform: translateY(-1px);
}

.btn-outline {
    background: #FFFFFF;
    color: #334155;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-outline:hover {
    background: #F8FAFC;
    border-color: var(--text-muted);
}

.btn-pill-sm {
    padding: 6px 14px;
    font-size: 12px;
    border-radius: 20px;
}

/* Tables */
.table-responsive-box {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #FFFFFF;
}

.table-modern {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.table-modern th {
    background: #F1F5F9;
    color: #334155;
    font-weight: 700;
    text-align: left;
    padding: 12px 16px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.table-modern td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.table-modern tbody tr:hover {
    background: #F8FAFC;
}

/* Toast Container & Notification Alerts */
.toast-floating-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 420px;
}

.toast-msg, .toast-alert {
    padding: 14px 20px;
    border-radius: 12px;
    color: #FFFFFF;
    font-weight: 700;
    font-size: 13.5px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    line-height: 1.4;
    border: 1.5px solid transparent;
}

.toast-msg.toast-success, .toast-alert-success { 
    background: #065F46; 
    border-color: #34D399; 
    color: #ECFDF5; 
}

.toast-msg.toast-error, .toast-alert-error { 
    background: #991B1B; 
    border-color: #FCA5A5; 
    color: #FEF2F2; 
}

.toast-msg.toast-warning, .toast-alert-warning { 
    background: #92400E; 
    border-color: #FCD34D; 
    color: #FFFBEB; 
}

.toast-msg.toast-info, .toast-alert-info { 
    background: #0F172A; 
    border-color: #38BDF8; 
    color: #F0F9FF; 
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 992px) {
    .app-sidebar { transform: translateX(-100%); }
    .app-sidebar.show { transform: translateX(0); }
    .app-main { margin-left: 0; }
    .row-visit-grid, .row-patient-grid, .row-2col-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 576px) {
    .row-visit-grid, .row-patient-grid, .row-2col-grid { grid-template-columns: 1fr; }
    .main-body { padding: 16px; }
}