@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.css');

:root {
    --ink: #111111;
    --muted: #6b7280;
    --panel: #ffffff;
    --border: #e5e7eb;
    --red-1: #d7263d;
    --red-2: #ff5252;
    --sidebar-width: 260px;
    --sidebar-collapsed: 80px;
    --header-height: 72px;
    --footer-height: 56px;
    --surface: #f8fafc;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(180deg, #f9fafb 0%, #f3f4f8 100%);
    color: var(--ink);
    margin: 0;
    min-height: 100vh;
    padding-top: var(--header-height);
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

.btn-red {
    background: linear-gradient(135deg, var(--red-1), var(--red-2));
    border: none;
    color: #111111;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.btn-red:hover,
.btn-red:focus {
    filter: brightness(0.95);
    color: #111111;
}

.btn-outline-red {
    background: transparent;
    border: 1px solid var(--red-1);
    color: var(--red-1);
    font-weight: 600;
    letter-spacing: 0.3px;
}

.btn-outline-red:hover,
.btn-outline-red:focus {
    background: linear-gradient(135deg, var(--red-1), var(--red-2));
    border-color: transparent;
    color: #111111;
}

.text-muted {
    color: var(--muted) !important;
}

.app-header {
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(8px);
    position: fixed;
    top: 0;
    z-index: 1025;
    padding: 0;
    width: 100%;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: var(--header-height);
    padding: 0 16px;
}

.header-left,
.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-right {
    margin-left: auto;
}

.brand-mark {
    font-weight: 700;
    letter-spacing: 1px;
    font-size: 1.05rem;
}

.app-header .user-pill {
    background: #f3f4f6;
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.9rem;
}

.app-shell {
    display: flex;
    min-height: calc(100vh - var(--header-height) - var(--footer-height));
    width: 100%;
    overflow-x: hidden;
}

.sidebar {
    width: var(--sidebar-width);
    background: #ffffff;
    border-right: 1px solid var(--border);
    padding: 18px 16px;
    position: fixed;
    top: var(--header-height);
    left: 0;
    height: calc(100vh - var(--header-height));
    box-shadow: 12px 0 35px rgba(17, 17, 17, 0.04);
}

.sidebar .brand {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.sidebar .nav-link {
    color: var(--ink);
    padding: 10px 12px;
    border-radius: 10px;
    margin-bottom: 6px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar .nav-link:hover {
    background: linear-gradient(135deg, rgba(215, 38, 61, 0.12), rgba(255, 82, 82, 0.2));
    color: #111111;
}
.sidebar .nav-link.active {
    background: linear-gradient(289deg, rgb(255 22 54 / 62%), rgb(247 24 24 / 61%)) !important;
    color: #111111;
}

.icon-button {
    border: 1px solid var(--border);
    background: #ffffff;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--ink);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.icon-button:hover,
.icon-button:focus {
    transform: translateY(-1px);
    box-shadow: 0 8px 16px rgba(17, 17, 17, 0.08);
}

.icon {
    width: 20px;
    height: 20px;
}

.icon-button i {
    font-size: 1.2rem;
    line-height: 1;
}

.sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: none;
    z-index: 1030;
}

.app-content {
    flex: 1;
    padding: 24px;
    min-width: 0;
    overflow-x: hidden;
}

.container-fluid {
    max-width: 100%;
}

.table-responsive {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.table-responsive > .table {
    min-width: 640px;
    white-space: nowrap;
}

.pagination {
    gap: 6px;
}

.pagination .page-link {
    border-radius: 10px;
    border: 1px solid var(--border);
    color: var(--ink);
    padding: 8px 12px;
}

.pagination .page-link:hover,
.pagination .page-link:focus {
    background: #f9fafb;
    color: var(--ink);
}

.pagination .page-item.active .page-link {
    background: linear-gradient(135deg, var(--red-1), var(--red-2));
    border-color: transparent;
    color: #111111;
}

.pagination .page-item.disabled .page-link {
    color: var(--muted);
    background: #f3f4f6;
}

.card-soft {
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(17, 17, 17, 0.04);
}

.calendar-card {
    background: var(--panel);
}

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.calendar-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.calendar-nav {
    display: flex;
    gap: 8px;
}

.calendar-view .btn {
    border-radius: 10px;
}

.calendar-view .btn.active,
.calendar-view .btn:hover,
.calendar-view .btn:focus {
    background: linear-gradient(135deg, var(--red-1), var(--red-2));
    border-color: transparent;
    color: #111111;
}

.calendar-body {
    width: 100%;
}

.calendar-row {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 6px;
    margin-bottom: 8px;
}

.calendar-weekday {
    color: var(--muted);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 6px;
}

.calendar-week {
    grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-day {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px;
    min-height: 62px;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    font-weight: 500;
}

.calendar-day small {
    font-size: 0.75rem;
    color: var(--muted);
}

.calendar-day span {
    font-size: 0.95rem;
}

.calendar-day.muted {
    color: #9ca3af;
    background: #f9fafb;
}

.calendar-day.today {
    border-color: #111111;
    box-shadow: 0 12px 24px rgba(17, 17, 17, 0.08);
}

.calendar-dayview {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 16px;
    align-items: center;
}

.calendar-day-summary {
    background: #f9fafb;
    border-radius: 12px;
    padding: 16px;
}

.calendar-year-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 12px;
}

.calendar-month-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.auth-card {
    max-width: 420px;
    width: 100%;
    padding: 32px;
    border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 20px 45px rgba(17, 17, 17, 0.08);
}

body.auth-page {
    padding-top: 0;
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
}

body.auth-page .auth-wrapper {
    min-height: 100vh;
    min-height: 100dvh;
    padding: clamp(16px, 4vw, 32px);
}

body.auth-page .auth-card {
    width: min(100%, 420px);
}

.auth-card .form-control {
    border-radius: 12px;
    padding: 12px 14px;
}

.auth-hero {
    margin-bottom: 18px;
}

.app-footer {
    border-top: 1px solid var(--border);
    background: #ffffff;
    min-height: var(--footer-height);
}

@media (max-width: 991.98px) {
    .app-shell {
        padding-left: 0;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: min(var(--sidebar-width), 85vw);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 1040;
        box-shadow: 0 12px 40px rgba(17, 17, 17, 0.2);
    }

    body.sidebar-open .sidebar {
        transform: translateX(0);
    }

    body.sidebar-open .sidebar-backdrop {
        display: block;
    }

    .app-content {
        padding: 20px 16px;
    }

    .header-inner {
        padding: 8px 12px;
    }

    .calendar-dayview {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 575.98px) {
    .header-inner {
        gap: 8px;
    }

    .header-left,
    .header-right {
        gap: 8px;
    }

    .brand-mark {
        font-size: 0.95rem;
    }

    .app-header .user-pill {
        padding: 4px 10px;
        font-size: 0.8rem;
    }
}

@media (min-width: 992px) {
    .app-shell {
        padding-left: var(--sidebar-width);
    }

    body.sidebar-collapsed .sidebar {
        width: var(--sidebar-collapsed);
    }

    body.sidebar-collapsed .app-shell {
        padding-left: var(--sidebar-collapsed);
    }

    body.sidebar-collapsed .sidebar .nav-label,
    body.sidebar-collapsed .sidebar .brand-text {
        display: none;
    }

    body.sidebar-collapsed .sidebar .nav-link {
        text-align: center;
    }
}