/* 
 * Emerald International School Management System (EISSMS)
 * Custom Modern Design System
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    --emerald-navy: #1B2A4A;
    --emerald-navy-dark: #121E36;
    --emerald-green: #2E7D32;
    --emerald-green-hover: #1B5E20;
    --emerald-green-light: #E8F5E9;
    --emerald-red: #C62828;
    --emerald-gold: #F59E0B;
    --bg-slate: #F4F6F9;
    --card-shadow: 0 10px 30px rgba(27, 42, 74, 0.08);
    --card-shadow-hover: 0 15px 35px rgba(27, 42, 74, 0.15);
    --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-slate);
    color: #334155;
    overflow-x: hidden;
}

/* Custom Text & Colors */
.text-navy { color: var(--emerald-navy) !important; }
.text-emerald { color: var(--emerald-green) !important; }
.text-crimson { color: var(--emerald-red) !important; }

.bg-navy { background-color: var(--emerald-navy) !important; }
.bg-navy-dark { background-color: var(--emerald-navy-dark) !important; }
.bg-emerald { background-color: var(--emerald-green) !important; }
.bg-emerald-light { background-color: var(--emerald-green-light) !important; }
.bg-purple { background-color: #6D28D9 !important; color: #ffffff !important; }
.bg-purple-subtle { background-color: #F3E8FF !important; color: #6D28D9 !important; }

/* Custom Buttons */
.btn-emerald {
    background-color: var(--emerald-green);
    color: #ffffff;
    font-weight: 600;
    border: none;
    transition: all 0.3s ease;
}
.btn-emerald:hover {
    background-color: var(--emerald-green-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(46, 125, 50, 0.3);
}

.btn-navy,
.btn-navy.active,
.btn-navy:active,
.btn-navy:focus {
    background-color: var(--emerald-navy) !important;
    color: #ffffff !important;
    font-weight: 600;
    border: none;
    transition: all 0.3s ease;
}
.btn-navy:hover {
    background-color: var(--emerald-navy-dark) !important;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(27, 42, 74, 0.3);
}

/* Multi-Session Attendance Tabs */
.session-tab-active {
    background-color: var(--emerald-navy) !important;
    color: #ffffff !important;
    border: 2px solid var(--emerald-navy) !important;
    font-weight: 700 !important;
    box-shadow: 0 4px 12px rgba(27, 42, 74, 0.25) !important;
}
.session-tab-active span,
.session-tab-active small {
    color: #ffffff !important;
}
.session-tab-active .text-warning {
    color: #f59e0b !important;
}
.session-tab-active .text-info {
    color: #38bdf8 !important;
}
.session-tab-active .badge.bg-white {
    background-color: #ffffff !important;
    color: var(--emerald-navy) !important;
}

.session-tab-inactive {
    background-color: #f8fafc !important;
    color: #334155 !important;
    border: 2px solid #e2e8f0 !important;
    font-weight: 600 !important;
}
.session-tab-inactive:hover {
    background-color: #f1f5f9 !important;
    color: var(--emerald-navy) !important;
    border-color: #cbd5e1 !important;
}

/* Login Page Styling */
.login-body {
    background: linear-gradient(135deg, var(--emerald-navy-dark) 0%, var(--emerald-navy) 50%, #0F172A 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
    width: 100%;
    max-width: 480px;
    padding: 2.5rem;
}

.school-logo-img {
    height: 85px;
    width: auto;
    object-fit: contain;
}

.motto-banner {
    background: linear-gradient(90deg, #991B1B 0%, var(--emerald-red) 50%, #991B1B 100%);
    color: #FFFFFF;
    font-size: 0.825rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    display: inline-block;
    box-shadow: 0 4px 10px rgba(198, 40, 40, 0.3);
}

/* Sidebar Layout - White Text Only, No Icons, No Underlines */
#sidebar-wrapper {
    min-height: 100vh;
    width: 260px;
    background: #1B2A4A;
    color: #FFFFFF;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

#sidebar-wrapper a {
    color: #FFFFFF !important;
    text-decoration: none !important;
}

#sidebar-wrapper a:hover,
#sidebar-wrapper a:focus,
#sidebar-wrapper a:active {
    color: #FFFFFF !important;
    text-decoration: none !important;
}

#sidebar-wrapper .sidebar-heading {
    padding: 1.2rem 1.25rem;
    background: #121E36;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-nav {
    padding: 1rem 0.65rem;
    list-style: none;
    margin-bottom: 0;
}

.sidebar-nav .nav-item {
    margin-bottom: 0.2rem;
}

.sidebar-nav .nav-link {
    color: #FFFFFF !important;
    font-size: 0.88rem;
    font-weight: 500;
    padding: 0.6rem 0.9rem;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
    text-decoration: none !important;
}

.sidebar-nav .nav-link:hover {
    color: #FFFFFF !important;
    background: rgba(255, 255, 255, 0.12);
    text-decoration: none !important;
}

.sidebar-nav .nav-link.active {
    color: #FFFFFF !important;
    background: #2E7D32 !important;
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(46, 125, 50, 0.4);
    text-decoration: none !important;
}

/* Sub-Menu Styling */
.sidebar-subnav {
    list-style: none;
    padding-left: 0;
    margin-top: 0.2rem;
    margin-bottom: 0.3rem;
}

.sidebar-subnav .sub-link {
    display: flex;
    align-items: center;
    padding: 0.45rem 0.85rem 0.45rem 2.2rem;
    font-size: 0.825rem;
    font-weight: 500;
    color: #FFFFFF !important;
    border-radius: 8px;
    text-decoration: none !important;
    transition: all 0.2s ease;
}

.sidebar-subnav .sub-link:hover {
    color: #FFFFFF !important;
    background: rgba(255, 255, 255, 0.12);
    text-decoration: none !important;
}

.sidebar-subnav .sub-link.active {
    color: #FFFFFF !important;
    font-weight: 700;
    background: #2E7D32 !important;
    text-decoration: none !important;
}

/* Group Headers */
.sidebar-group-label {
    font-size: 0.81rem;
    font-weight: 700;
    color: #FFFFFF !important;
    padding: 0.45rem 0.85rem 0.45rem 1.4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none !important;
    border-radius: 8px;
    margin-top: 0.25rem;
}

.sidebar-group-label:hover {
    color: #FFFFFF !important;
    background: rgba(255, 255, 255, 0.12);
    text-decoration: none !important;
}

/* Main Content Area */
#main-content {
    margin-left: 260px;
    padding: 2rem;
    min-height: 100vh;
    transition: all 0.3s ease;
}

/* Top Navbar Header */
.top-header {
    background: #FFFFFF;
    border-radius: 16px;
    padding: 0.9rem 1.5rem;
    box-shadow: var(--card-shadow);
    margin-bottom: 2rem;
}

/* Dynamic KPI Dashboard Cards */
.stat-card {
    background: #FFFFFF;
    border: none;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.stat-icon {
    width: 58px;
    height: 58px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Table Card Styling */
.table-card {
    background: #FFFFFF;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    border: none;
    overflow: hidden;
}

.table-card .card-header {
    background: #FFFFFF;
    border-bottom: 1px solid #F1F5F9;
    padding: 1.25rem 1.5rem;
}

.custom-table th {
    font-size: 0.775rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: #64748B;
    font-weight: 700;
    background-color: #F8FAFC;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #E2E8F0;
}

.custom-table td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    color: #334155;
    font-size: 0.9rem;
    border-bottom: 1px solid #F1F5F9;
}

.user-badge {
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
}