/* 
 * Indus Grammar School ERP - Main Styling 
 * Version 1.0.0
 */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary-color: #0f172a;
    --bg-light: #f8fafc;
    --bg-sidebar: #0f172a;
    --sidebar-text: #94a3b8;
    --sidebar-active: #ffffff;
    --sidebar-hover-bg: #1e293b;
    --card-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --card-hover-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --border-color: #e2e8f0;
    --text-main: #334155;
    --text-muted: #64748b;
    --font-family: 'Outfit', sans-serif;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 70px;
    --transition-speed: 0.3s;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-light);
    color: var(--text-main);
    overflow-x: hidden;
}

/* --- Authentication Pages --- */
.auth-body {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 480px;
}

.auth-logo {
    font-size: 3rem;
    color: #818cf8;
    text-shadow: 0 0 15px rgba(129, 140, 248, 0.4);
}

.auth-title {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.8rem;
    margin-bottom: 5px;
}

.auth-subtitle {
    color: #94a3b8;
    font-size: 0.95rem;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.auth-card .card-title {
    font-weight: 700;
    color: var(--secondary-color);
}

.auth-card .form-label {
    font-weight: 500;
    color: var(--text-main);
    font-size: 0.9rem;
}

.auth-card .input-group-text {
    background-color: #f1f5f9;
    border-color: var(--border-color);
    color: var(--text-muted);
}

.auth-card .form-control {
    border-color: var(--border-color);
    padding: 10px 14px;
}

.auth-card .form-control:focus {
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
    border-color: var(--primary-color);
}

.auth-card .btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: 600;
    border-radius: 8px;
    transition: all var(--transition-speed);
}

.auth-card .btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
}

.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color var(--transition-speed);
}

.auth-link:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* --- Dashboard Layout --- */
#wrapper {
    display: flex;
    width: 100%;
    align-items: stretch;
    min-height: 100vh;
}

/* Sidebar Styling */
#sidebar {
    min-width: var(--sidebar-width);
    max-width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    color: var(--sidebar-text);
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    position: fixed;
    height: 100vh;
    z-index: 1000;
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

#sidebar.active {
    min-width: var(--sidebar-collapsed-width);
    max-width: var(--sidebar-collapsed-width);
}

.sidebar-scroll {
    overflow-y: auto;
    overflow-x: hidden;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.sidebar-scroll::-webkit-scrollbar {
    width: 6px;
}
.sidebar-scroll::-webkit-scrollbar-track {
    background: rgba(0,0,0,0.05);
}
.sidebar-scroll::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 3px;
}
.sidebar-scroll::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.sidebar-header {
    padding: 20px;
    background: rgba(0,0,0,0.15);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    white-space: nowrap;
}

.sidebar-logo {
    font-size: 1.6rem;
    color: #818cf8;
}

.sidebar-brand-name {
    font-weight: 700;
    font-size: 1.15rem;
    color: #ffffff;
    letter-spacing: 0.5px;
    transition: opacity var(--transition-speed);
}

#sidebar.active .sidebar-brand-name {
    opacity: 0;
    display: none;
}

.sidebar-menu {
    padding: 15px 0;
    list-style: none;
    margin-bottom: 0;
}

.sidebar-menu li {
    margin: 4px 12px;
    position: relative;
}

.sidebar-menu li a {
    padding: 12px 16px;
    font-size: 0.95rem;
    color: var(--sidebar-text);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.sidebar-menu li a span {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: opacity var(--transition-speed);
}

.sidebar-menu li a i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

#sidebar.active .sidebar-menu li a span span {
    opacity: 0;
    display: none;
}

#sidebar.active .sidebar-menu li a .arrow-icon {
    display: none;
}

.sidebar-menu li a:hover {
    background-color: var(--sidebar-hover-bg);
    color: var(--sidebar-active);
}

.sidebar-menu li.active > a {
    background-color: var(--sidebar-hover-bg);
    color: var(--sidebar-active);
    font-weight: 500;
}

/* Arrow transition */
.sidebar-link-toggle .arrow-icon {
    transition: transform var(--transition-speed) ease;
    font-size: 0.75rem;
}

.sidebar-link-toggle[aria-expanded="true"] .arrow-icon {
    transform: rotate(90deg);
}

/* Submenu indentation styling */
.sidebar-menu ul.submenu {
    padding-left: 0;
    margin: 4px 0 4px 20px;
    list-style: none;
}

.sidebar-menu ul.submenu li {
    margin: 2px 0;
}

.sidebar-menu ul.submenu li a {
    padding: 8px 16px;
    font-size: 0.85rem;
    color: #94a3b8;
    display: block;
    border-radius: 6px;
}

.sidebar-menu ul.submenu li a:hover {
    background-color: rgba(255,255,255,0.05);
    color: #ffffff;
}

.sidebar-menu ul.submenu li.active a {
    background-color: var(--primary-color) !important;
    color: #ffffff !important;
    font-weight: 600;
}

/* Overlay shadow */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
    z-index: 998;
}

.sidebar-overlay.active {
    display: block;
}

/* Content Area */
#content {
    width: 100%;
    padding-left: var(--sidebar-width);
    min-height: 100vh;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

#content.active {
    padding-left: var(--sidebar-collapsed-width);
}

/* Navbar */
.top-navbar {
    background-color: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 15px 30px;
}

.navbar-btn-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-main);
    padding: 0;
    cursor: pointer;
    outline: none;
}

/* Profile Dropdown */
.profile-dropdown .dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 500;
}

.profile-dropdown .dropdown-toggle::after {
    display: none;
}

.profile-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border: 2px solid #ffffff;
    box-shadow: 0 0 0 2px var(--primary-color);
}

/* Dashboard Cards */
.stat-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    transition: all var(--transition-speed) ease;
    height: 100%;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-hover-shadow);
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.bg-primary-soft {
    background-color: #e0e7ff;
    color: #4f46e5;
}

.bg-success-soft {
    background-color: #dcfce7;
    color: #16a34a;
}

.bg-warning-soft {
    background-color: #fef9c3;
    color: #ca8a04;
}

.bg-danger-soft {
    background-color: #fee2e2;
    color: #dc2626;
}

.bg-info-soft {
    background-color: #e0f2fe;
    color: #0284c7;
}

.stat-card-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.stat-card-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 2px;
}

/* Charts Card */
.chart-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
}

/* Tables styling */
.custom-table-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.custom-table {
    margin-bottom: 0;
}

.custom-table th {
    background-color: #f8fafc;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.custom-table td {
    padding: 16px 20px;
    vertical-align: middle;
    color: var(--text-main);
    font-size: 0.95rem;
    border-bottom: 1px solid #f1f5f9;
}

/* Badges */
.badge-soft-success {
    background-color: #dcfce7;
    color: #15803d;
}
.badge-soft-danger {
    background-color: #fee2e2;
    color: #b91c1c;
}
.badge-soft-warning {
    background-color: #fef9c3;
    color: #a16207;
}

/* Responsive adjustments */
@media (max-width: 992px) {
    #sidebar {
        left: calc(-1 * var(--sidebar-width));
        transition: left var(--transition-speed) ease;
    }
    #sidebar.show-mobile {
        left: 0 !important;
        min-width: var(--sidebar-width) !important;
        max-width: var(--sidebar-width) !important;
    }
    #sidebar.show-mobile .sidebar-brand-name {
        display: block !important;
        opacity: 1 !important;
    }
    #sidebar.show-mobile .sidebar-menu li a span span {
        display: inline !important;
        opacity: 1 !important;
    }
    #sidebar.show-mobile .sidebar-menu li a .arrow-icon {
        display: inline-block !important;
    }
    #content {
        padding-left: 0 !important;
    }
    #content.active {
        padding-left: 0 !important;
    }
}