/* ═══════════════════════════════════════════════════════════════════
   SAMSUNG GALAXY / ONE UI DESIGN SYSTEM
   Modern, ergonomic, pill-based design inspired by Samsung One UI 6/7
   ═══════════════════════════════════════════════════════════════════ */

:root {
    /* Samsung One UI Core Palette */
    --oneui-blue: #0C82FF;
    --oneui-blue-dark: #0065D9;
    --oneui-blue-light: #EBF4FF;
    --oneui-blue-soft: rgba(12, 130, 255, 0.12);

    /* System Backgrounds */
    --oneui-canvas: #EFF2F7;
    --oneui-surface: #FFFFFF;
    --oneui-surface-subtle: #F6F8FC;
    --oneui-surface-inset: #EEF2F8;

    /* Text */
    --oneui-text-primary: #131722;
    --oneui-text-secondary: #5A6679;
    --oneui-text-tertiary: #929EB2;

    /* Borders */
    --oneui-border: rgba(22, 34, 58, 0.08);
    --oneui-border-subtle: rgba(22, 34, 58, 0.04);

    /* One UI Accents */
    --oneui-mint: #00BA88;
    --oneui-mint-light: #E0F8F1;
    --oneui-coral: #FF5A43;
    --oneui-coral-light: #FFEFEB;
    --oneui-purple: #7C4DFF;
    --oneui-purple-light: #F1ECFF;
    --oneui-amber: #FFA000;
    --oneui-amber-light: #FFF7E6;

    /* Squircle & Pill Radii */
    --oneui-radius-card: 26px;
    --oneui-radius-element: 18px;
    --oneui-radius-pill: 9999px;

    /* Soft Diffuse Shadows */
    --oneui-shadow-sm: 0 2px 8px rgba(18, 30, 54, 0.04);
    --oneui-shadow-card: 0 8px 24px -4px rgba(18, 30, 54, 0.05), 0 2px 6px rgba(18, 30, 54, 0.02);
    --oneui-shadow-hover: 0 14px 32px -6px rgba(18, 30, 54, 0.08), 0 4px 10px rgba(18, 30, 54, 0.03);
    --oneui-shadow-pill: 0 6px 18px rgba(12, 130, 255, 0.28);
}

/* ─── Global Canvas & Typography ─── */
body {
    background-color: var(--oneui-canvas) !important;
    background-image: none !important;
    color: var(--oneui-text-primary) !important;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif !important;
    -webkit-font-smoothing: antialiased !important;
}

/* ─── One UI Header (Viewing Area) ─── */
.header {
    margin-bottom: 28px !important;
    padding-bottom: 8px !important;
}

.page-title, h1, .header h1, .header h2 {
    font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif !important;
    font-weight: 800 !important;
    letter-spacing: -0.03em !important;
    color: var(--oneui-text-primary) !important;
    font-size: 1.85rem !important;
}

/* ─── One UI Cards (Curved Squircles) ─── */
.card,
.dashboard-card,
.stat-card,
.stats-card,
.action-card,
.table-card,
.summary-card,
.filter-card {
    background: var(--oneui-surface) !important;
    border-radius: var(--oneui-radius-card) !important;
    border: 1px solid var(--oneui-border) !important;
    box-shadow: var(--oneui-shadow-card) !important;
    padding: 24px !important;
    transition: transform 0.2s cubic-bezier(0.2, 0, 0, 1), box-shadow 0.2s ease !important;
}

.card:hover,
.dashboard-card:hover,
.stat-card:hover {
    box-shadow: var(--oneui-shadow-hover) !important;
    transform: translateY(-2px) !important;
    border-color: rgba(12, 130, 255, 0.16) !important;
}

/* ─── One UI Pill Buttons ─── */
.btn,
button:not(.close):not([data-dismiss]):not(.mobile-nav-toggle):not(.mobile-toggle):not(.toggle-password),
input[type="submit"],
.btn-primary,
.btn-secondary,
.btn-danger,
.btn-success,
.btn-info,
.btn-warning {
    border-radius: var(--oneui-radius-pill) !important;
    font-family: 'Plus Jakarta Sans', sans-serif !important;
    font-weight: 600 !important;
    font-size: 0.92rem !important;
    letter-spacing: -0.01em !important;
    padding: 10px 22px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 8px !important;
    border: none !important;
    cursor: pointer !important;
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1) !important;
    text-decoration: none !important;
}

.btn:active,
button:active:not(.mobile-nav-toggle),
input[type="submit"]:active {
    transform: scale(0.95) !important;
}

/* Primary Button (Samsung Blue) */
.btn-primary {
    background: var(--oneui-blue) !important;
    color: #FFFFFF !important;
    box-shadow: var(--oneui-shadow-pill) !important;
}

.btn-primary:hover {
    background: var(--oneui-blue-dark) !important;
    box-shadow: 0 8px 22px rgba(12, 130, 255, 0.38) !important;
    transform: translateY(-2px) !important;
}

/* Secondary / Ghost Button */
.btn-secondary,
.btn-outline-primary,
.btn-outline-secondary {
    background: var(--oneui-surface-subtle) !important;
    color: var(--oneui-text-primary) !important;
    border: 1px solid var(--oneui-border) !important;
    box-shadow: none !important;
}

.btn-secondary:hover {
    background: #E8EDF5 !important;
    color: var(--oneui-blue) !important;
    border-color: rgba(12, 130, 255, 0.2) !important;
    transform: translateY(-2px) !important;
}

/* Danger Button (One UI Coral Pill) */
.btn-danger {
    background: var(--oneui-coral-light) !important;
    color: var(--oneui-coral) !important;
}

.btn-danger:hover {
    background: #FFDFD9 !important;
    box-shadow: 0 4px 14px rgba(255, 90, 67, 0.25) !important;
    transform: translateY(-2px) !important;
}

/* Success Button (One UI Mint) */
.btn-success {
    background: var(--oneui-mint-light) !important;
    color: #008761 !important;
}

.btn-success:hover {
    background: #C8F3E6 !important;
    box-shadow: 0 4px 14px rgba(0, 186, 136, 0.25) !important;
    transform: translateY(-2px) !important;
}

/* ─── Form Controls & Search Capsules ─── */
input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="search"],
input[type="tel"],
input[type="date"],
select,
textarea,
.form-control {
    font-family: inherit !important;
    border-radius: var(--oneui-radius-element) !important;
    background-color: var(--oneui-surface-inset) !important;
    border: 1.5px solid transparent !important;
    color: var(--oneui-text-primary) !important;
    padding: 12px 18px !important;
    font-size: 0.94rem !important;
    transition: all 0.2s ease !important;
    box-sizing: border-box !important;
}

input[type="search"] {
    border-radius: var(--oneui-radius-pill) !important;
    padding-left: 20px !important;
    padding-right: 20px !important;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="search"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
select:focus,
textarea:focus,
.form-control:focus {
    background-color: #FFFFFF !important;
    border-color: var(--oneui-blue) !important;
    box-shadow: 0 0 0 4px rgba(12, 130, 255, 0.16) !important;
    outline: none !important;
}

/* ─── Tables (One UI List Surface) ─── */
.table-container {
    border-radius: var(--oneui-radius-card) !important;
    border: 1px solid var(--oneui-border) !important;
    background: var(--oneui-surface) !important;
    overflow: hidden !important;
    box-shadow: var(--oneui-shadow-card) !important;
}

table {
    border-collapse: separate !important;
    border-spacing: 0 !important;
    background: var(--oneui-surface) !important;
}

th {
    background: var(--oneui-surface-subtle) !important;
    color: var(--oneui-text-secondary) !important;
    font-weight: 700 !important;
    font-size: 0.76rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.06em !important;
    border-bottom: 1px solid var(--oneui-border) !important;
    padding: 15px 22px !important;
}

td {
    padding: 16px 22px !important;
    border-bottom: 1px solid rgba(22, 34, 58, 0.04) !important;
    color: var(--oneui-text-primary) !important;
    font-size: 0.92rem !important;
    transition: background-color 0.15s ease !important;
}

tr:last-child td {
    border-bottom: none !important;
}

tr:hover td {
    background-color: #F6F9FD !important;
}

/* ─── One UI Pill Status Chips / Badges ─── */
.badge,
.tag,
.status-pill {
    border-radius: var(--oneui-radius-pill) !important;
    padding: 6px 14px !important;
    font-size: 0.75rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.02em !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    border: none !important;
    text-transform: capitalize !important;
}

.badge::before {
    display: none !important;
}

.badge-administrator,
.badge-superadmin {
    background: var(--oneui-coral-light) !important;
    color: #D92D20 !important;
}

.badge-teacher {
    background: var(--oneui-amber-light) !important;
    color: #B54708 !important;
}

.badge-student {
    background: var(--oneui-blue-light) !important;
    color: #0065D9 !important;
}

.badge-principal,
.badge-headmaster,
.badge-director {
    background: var(--oneui-mint-light) !important;
    color: #027A48 !important;
}

.badge-exams_officer {
    background: #EDFCF2 !important;
    color: #087443 !important;
}

.badge-cashier {
    background: var(--oneui-purple-light) !important;
    color: #6941C6 !important;
}

.badge-parent {
    background: #FDF2FA !important;
    color: #C11574 !important;
}

/* ─── One UI Navigation Drawer / Sidebar ─── */
.sidebar {
    background: #141724 !important;
    border-right: 1px solid rgba(255, 255, 255, 0.06) !important;
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15) !important;
}

.sidebar .nav-item {
    border-radius: 16px !important;
    margin: 3px 6px !important;
    padding: 11px 16px !important;
    font-weight: 500 !important;
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1) !important;
    color: rgba(230, 235, 245, 0.72) !important;
}

.sidebar .nav-item:hover {
    background: rgba(255, 255, 255, 0.08) !important;
    color: #FFFFFF !important;
    transform: translateX(3px) !important;
}

.sidebar .nav-item.active {
    background: var(--oneui-blue) !important;
    color: #FFFFFF !important;
    font-weight: 700 !important;
    box-shadow: 0 6px 18px rgba(12, 130, 255, 0.35) !important;
}

.sidebar .nav-item.active .nav-icon {
    color: #FFFFFF !important;
}

.user-profile {
    border-radius: 20px !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.08) !important;
    margin: 12px 6px 4px !important;
}

.user-profile .avatar {
    border-radius: 14px !important;
    background: var(--oneui-blue) !important;
    box-shadow: 0 4px 12px rgba(12, 130, 255, 0.3) !important;
}

/* ─── Modals (One UI Bottom/Center Sheet) ─── */
.modal-content,
.swal2-popup {
    border-radius: 28px !important;
    border: 1px solid var(--oneui-border) !important;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15) !important;
    padding: 24px !important;
}

/* ─── Scrollbars (Sleek One UI Pill Thumb) ─── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(18, 30, 54, 0.18);
    border-radius: var(--oneui-radius-pill);
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(18, 30, 54, 0.32);
}

/* ─── Login Screen (One UI Style) ─── */
.login-sidebar {
    background: #FFFFFF !important;
}

.hero-logo-wrap {
    border-radius: 32px !important;
    border: 1px solid var(--oneui-border) !important;
    box-shadow: var(--oneui-shadow-card) !important;
}

.hero-feature-icon {
    border-radius: 18px !important;
}

.btn-track {
    border-radius: var(--oneui-radius-pill) !important;
    background: var(--oneui-blue-light) !important;
    color: var(--oneui-blue) !important;
    border: none !important;
    font-weight: 600 !important;
}

.btn-track:hover {
    background: #D9EBFD !important;
    transform: translateY(-2px) !important;
}

.school-brand-logo,
.school-brand-fallback {
    border-radius: 18px !important;
}

.btn-login,
.login-sidebar .btn-primary {
    border-radius: var(--oneui-radius-pill) !important;
    background: var(--oneui-blue) !important;
    box-shadow: var(--oneui-shadow-pill) !important;
    padding: 14px 24px !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
}

.btn-login:hover,
.login-sidebar .btn-primary:hover {
    background: var(--oneui-blue-dark) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 24px rgba(12, 130, 255, 0.4) !important;
}

/* ─── Sidebar Overlay & Mobile Toggle: Desktop Suppression & Mobile Polish ─── */
.sidebar-overlay,
.mobile-toggle {
    display: none;
}

@media (min-width: 901px) {
    .sidebar-overlay,
    .sidebar-overlay.show,
    .mobile-toggle {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        pointer-events: none !important;
    }
}

@media (max-width: 900px) {
    .mobile-toggle {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        position: fixed !important;
        top: 14px !important;
        left: 14px !important;
        z-index: 120 !important;
        width: 42px !important;
        height: 42px !important;
        padding: 0 !important;
        background: rgba(255, 255, 255, 0.95) !important;
        backdrop-filter: blur(16px) !important;
        -webkit-backdrop-filter: blur(16px) !important;
        border: 1px solid rgba(22, 34, 58, 0.08) !important;
        border-radius: 14px !important;
        cursor: pointer !important;
        box-shadow: 0 4px 14px rgba(18, 30, 54, 0.08), 0 1px 3px rgba(18, 30, 54, 0.04) !important;
        color: #141724 !important;
        transition: all 0.2s cubic-bezier(0.2, 0, 0, 1) !important;
    }

    .mobile-toggle:hover {
        background: #FFFFFF !important;
        box-shadow: 0 6px 18px rgba(18, 30, 54, 0.12) !important;
        transform: translateY(-1px) !important;
    }

    .mobile-toggle:active {
        transform: scale(0.92) !important;
        background: #EFF2F7 !important;
    }

    .mobile-toggle svg {
        width: 22px !important;
        height: 22px !important;
        stroke: #141724 !important;
    }
}

/* ─── Safety Isolation: Printable Report Cards & Certificates ─── */
/* Report cards and printable sheets MUST NEVER be modified by theme overrides */
.report-container,
.report-container *,
.printable-sheet,
.printable-sheet *,
.student-id-card,
.student-id-card *,
.staff-id-card,
.staff-id-card * {
    border-radius: initial !important;
    box-shadow: none;
}