:root {
    /* Aura Neon · paleta refinada */
    --bg-base: #050816;
    --bg-surface: rgba(15, 18, 28, 0.82);
    --primary: #22d3ee;
    --primary-deep: #06b6d4;
    --primary-muted: rgba(34, 211, 238, 0.14);
    --secondary: #7c3aed;
    --accent: #f472b6;
    --accent-soft: rgba(244, 114, 182, 0.12);

    --text-pure: #ffffff;
    --text-heading: #f1f5f9;
    --text-body: #cbd5e1;
    --text-silver: #94a3b8;
    --text-muted: #64748b;
    --text-dim: #475569;

    --glass-border: rgba(255, 255, 255, 0.07);
    --glass-border-strong: rgba(255, 255, 255, 0.12);
    --neon-glow: 0 0 0 1px rgba(34, 211, 238, 0.35), 0 12px 40px rgba(6, 182, 212, 0.12);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.45);
    --shadow-glow-primary: 0 8px 28px rgba(34, 211, 238, 0.22);

    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 18px;
    --radius-xl: 22px;
    --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: var(--radius-xl);

    --space-xs: 0.35rem;
    --space-sm: 0.65rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 2.75rem;
}

/* --- Base & Background --- */
.hidden { display: none !important; }
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--bg-base);
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.55;
    letter-spacing: -0.011em;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.app-wrapper {
    background: 
        radial-gradient(circle at 0% 0%, rgba(112, 0, 255, 0.15) 0%, transparent 35%),
        radial-gradient(circle at 100% 100%, rgba(0, 242, 255, 0.1) 0%, transparent 35%),
        linear-gradient(180deg, #02040a 0%, #0d1117 100%);
    min-height: 100vh;
    display: flex;
}

/* --- Sidebar Aura --- */
.sidebar {
    width: 248px;
    background: rgba(11, 14, 22, 0.94);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-right: 1px solid var(--glass-border);
    padding: var(--space-xl) var(--space-md);
    height: 100vh;
    position: fixed;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    margin-bottom: var(--space-lg);
}

.sidebar-brand {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-heading);
    margin-top: var(--space-sm);
    line-height: 1.3;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    flex: 1;
}

.sidebar-meta {
    margin-top: auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
    display: grid;
    gap: var(--space-sm);
}

.sidebar-meta .sidebar-note {
    font-size: 0.625rem;
    color: var(--text-muted);
    text-align: center;
    letter-spacing: 0.06em;
    margin: 0;
    padding-top: var(--space-xs);
}

/* Fondo claro del logo (igual que login, compacto) */
.logo-wrapper.logo-wrapper--sidebar {
    margin: 0 0 var(--space-sm) 0;
    padding: 0.45rem 0.55rem;
    border-radius: 14px;
    background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow:
        0 4px 18px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.sidebar-header .logo-wrapper.logo-wrapper--sidebar {
    align-self: flex-start;
}

.sidebar-logo-img {
    width: 52px;
    height: auto;
    display: block;
    filter: drop-shadow(0 2px 8px rgba(15, 23, 42, 0.12));
    margin-bottom: 0;
}

.sidebar-btn {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.65rem;
    width: 100%;
    padding: 0.68rem 0.85rem;
    color: var(--text-silver);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.8125rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-md);
    transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    font-family: inherit;
    line-height: 1.25;
}

.sidebar-btn:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-heading);
    border-color: var(--glass-border-strong);
}

.sidebar-btn.active {
    background: var(--primary-muted);
    color: var(--primary);
    border-color: rgba(34, 211, 238, 0.35);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* Botones de acción en sidebar */
.sidebar-btn.btn-sidebar--danger {
    justify-content: center;
    background: var(--accent-soft);
    color: #fda4cf;
    border-color: rgba(244, 114, 182, 0.22);
}

.sidebar-btn.btn-sidebar--danger:hover {
    background: rgba(244, 114, 182, 0.18);
    color: #fce7f3;
}

.sidebar-btn.btn-sidebar--accent {
    justify-content: center;
    background: var(--primary-muted);
    color: var(--primary);
    border-color: rgba(34, 211, 238, 0.28);
}

.sidebar-btn.btn-sidebar--accent:hover {
    background: rgba(34, 211, 238, 0.18);
    color: #ecfeff;
}

/* Primario / secundario global */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.58rem 1rem;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: #042f2e;
    background: linear-gradient(165deg, #5eead4 0%, var(--primary) 55%, var(--primary-deep) 100%);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-glow-primary);
    transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.btn-primary:hover {
    transform: translateY(-1px);
    filter: brightness(1.06);
    box-shadow: 0 10px 36px rgba(34, 211, 238, 0.28);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.58rem 1rem;
    font-family: inherit;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-heading);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.18);
}

a.btn-secondary {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    align-self: center;
}

/* --- Sections & Cards --- */
.main-content {
    margin-left: 248px;
    padding: var(--space-lg) clamp(var(--space-md), 3vw, var(--space-xl)) var(--space-xl);
    width: calc(100% - 248px);
    max-width: 1440px;
}

.page-heading {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.page-heading__label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0;
}

.section-header h1,
.page-heading__title {
    font-size: clamp(1.375rem, 2.4vw, 1.875rem);
    font-weight: 700;
    margin: 0;
    letter-spacing: -0.035em;
    line-height: 1.15;
    color: var(--text-heading);
}

.section-header h1::after,
.page-heading__title::after {
    content: '';
    display: block;
    width: 2.25rem;
    height: 3px;
    margin-top: var(--space-sm);
    border-radius: 2px;
    background: linear-gradient(90deg, var(--primary), transparent);
    opacity: 0.95;
}

.page-heading__subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin: 0;
    margin-top: 2px;
    font-weight: 450;
    max-width: 36rem;
    line-height: 1.45;
}

.section-header {
    margin-bottom: var(--space-lg) !important;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.section-header .page-heading + *,
.section-header > .page-heading {
    flex-shrink: 0;
}

.members-toolbar {
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-md) !important;
    align-items: flex-end;
}

.members-toolbar .page-heading {
    flex: 1;
    min-width: 200px;
}

.members-search-input {
    width: min(360px, 100%);
    padding: 0.62rem 0.95rem !important;
    font-size: 0.9rem !important;
}

#membersListContainer {
    margin-top: 0;
    margin-bottom: 0.75rem;
}

#membersListContainer .table {
    border-spacing: 0 0.42rem;
}

#membersListContainer .table thead th {
    padding: 0.45rem 1rem;
}

.view {
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.premium-card {
    background: linear-gradient(165deg, rgba(22, 26, 38, 0.92) 0%, rgba(12, 14, 22, 0.88) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.premium-card:hover {
    border-color: rgba(34, 211, 238, 0.22);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(34, 211, 238, 0.06);
}

.card-title {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--text-heading);
    margin: 0 0 var(--space-md) 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-title .card-title__icon {
    font-size: 1.1rem;
    opacity: 0.9;
}

.recent-grid {
    display: grid;
    grid-template-columns: 1.8fr 1.2fr 1fr;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

@media (max-width: 1024px) {
    .recent-grid { grid-template-columns: 1fr; }
}

/* KPI tarjetas (dashboard — también usadas desde JS) */
.stat-kpi {
    position: relative;
    overflow: hidden;
    border-top: 3px solid var(--stat-accent, var(--primary));
}

.stat-kpi__label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0 0 0.4rem 0;
}

.stat-kpi__value {
    font-size: clamp(1.65rem, 3.5vw, 2.1rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--text-heading);
    margin: 0;
    line-height: 1.1;
}

.stat-kpi__icon {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    font-size: 1.15rem;
    opacity: 0.28;
    pointer-events: none;
}

.section-header .btn-primary,
.section-header .btn-secondary {
    flex-shrink: 0;
    align-self: flex-start;
    margin-top: 1.35rem;
}

.section-header:not(:has(.page-heading__subtitle)) .btn-primary,
.section-header:not(:has(.page-heading__subtitle)) .btn-secondary {
    margin-top: 1.65rem;
}

@media (max-width: 768px) {
    .section-header .btn-primary,
    .section-header .btn-secondary {
        width: 100%;
        align-self: stretch;
        justify-content: center;
        margin-top: 0;
    }
}

.search-box {
    flex: 0 1 auto;
    min-width: min(100%, 360px);
}

/* --- Caja - Neon Style --- */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-top: 0;
    margin-bottom: var(--space-lg);
}

.caja-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    background: rgba(255,255,255,0.02);
    border-radius: 20px;
    margin-bottom: 0.75rem;
    border: 1px solid transparent;
    transition: var(--transition);
}

.caja-row:hover {
    background: rgba(255,255,255,0.05);
    border-color: var(--glass-border);
    transform: scale(1.01);
}

.status-glow {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 1rem;
}

.status-paid { background: #00ffaa; box-shadow: 0 0 15px #00ffaa; }
.status-pending { background: var(--accent); box-shadow: 0 0 15px var(--accent); }

/* --- Inputs & Buttons --- */
.premium-input {
    width: 100%;
    background: rgba(6, 8, 14, 0.65);
    border: 1px solid var(--glass-border-strong);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: var(--text-heading);
    font-size: 0.9375rem;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.premium-input::placeholder {
    color: var(--text-dim);
}

.premium-input:focus {
    outline: none;
    border-color: rgba(34, 211, 238, 0.45);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}

.btn-neon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    color: #042f2e;
    background: linear-gradient(165deg, #5eead4 0%, var(--primary) 50%, var(--primary-deep) 100%);
    box-shadow: var(--shadow-glow-primary);
    transition: transform var(--transition), filter var(--transition), box-shadow var(--transition);
}

.btn-neon:hover {
    transform: translateY(-1px);
    filter: brightness(1.05);
    box-shadow: 0 12px 36px rgba(34, 211, 238, 0.25);
}

.btn-neon:active {
    transform: translateY(0);
}

/* --- Responsive --- */
/* --- Responsive & Mobile First Enhancements --- */
.mobile-bottom-nav { display: none; }
.mobile-fab { display: none; }

@media (max-width: 1024px) {
    .sidebar { width: 88px; padding: var(--space-lg) 0.65rem; }
    .sidebar span { display: none; }
    .sidebar .sidebar-brand { display: none; }
    .sidebar-logo-img { width: 44px; margin-bottom: 0; }
    .main-content { margin-left: 88px; width: calc(100% - 88px); padding: var(--space-lg); }
}

@media (max-width: 768px) {
    .sidebar { display: none; }
    .main-content {
        margin-left: 0;
        padding: var(--space-md) var(--space-md) calc(100px + env(safe-area-inset-bottom, 0px));
        width: 100%;
        max-width: none;
    }
    .section-header { flex-direction: column; align-items: stretch !important; gap: var(--space-md); margin-bottom: var(--space-lg) !important; }

    .section-header.members-toolbar {
        margin-bottom: var(--space-md) !important;
    }

    .members-search-input {
        width: 100%;
        max-width: none;
    }

    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        min-height: 72px;
        padding: var(--space-sm) var(--space-xs) calc(var(--space-sm) + env(safe-area-inset-bottom, 0px));
        background: rgba(10, 12, 18, 0.92);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid var(--glass-border);
        z-index: 1000;
        justify-content: space-around;
        align-items: center;
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.35);
    }

    .nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        color: var(--text-muted);
        gap: 0.2rem;
        padding: 0.35rem 0.5rem;
        border-radius: var(--radius-md);
        min-width: 3.5rem;
        transition: color var(--transition), background var(--transition);
    }

    .nav-item:active {
        background: rgba(255, 255, 255, 0.05);
    }

    .nav-item.active {
        color: var(--primary);
        background: var(--primary-muted);
    }

    .nav-icon { font-size: 1.35rem; line-height: 1; }
    .nav-label {
        font-size: 0.625rem;
        font-weight: 600;
        letter-spacing: 0.06em;
        text-transform: uppercase;
    }

    .mobile-fab {
        display: flex;
        position: fixed;
        right: 1.25rem;
        bottom: calc(92px + env(safe-area-inset-bottom, 0px));
        width: 56px;
        height: 56px;
        background: linear-gradient(145deg, #5eead4, var(--primary-deep));
        color: #042f2e;
        border-radius: 50%;
        justify-content: center;
        align-items: center;
        font-size: 1.65rem;
        font-weight: 700;
        text-decoration: none;
        box-shadow: var(--shadow-glow-primary);
        z-index: 999;
        transition: transform var(--transition), box-shadow var(--transition);
    }

    .mobile-fab:active {
        transform: scale(0.96);
    }

    /* Table Mobile Adjustments */
    .table td:nth-child(1), /* # */
    .table th:nth-child(1),
    .table td:nth-child(4), /* Disciplina (Opcional ocultar) */
    .table th:nth-child(4) { display: none; }
    
    .premium-card { padding: 1.5rem; }
    .summary-grid { grid-template-columns: 1fr; }
}

.hidden { display: none !important; }

/* --- Status Badges --- */
.status-badge {
    padding: 0.5rem 1rem;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.status-badge.paid { background: rgba(0, 255, 170, 0.1); color: #00ffaa; border: 1px solid rgba(0, 255, 170, 0.2); }
.status-badge.pending { background: rgba(255, 0, 122, 0.1); color: var(--accent); border: 1px solid rgba(255, 0, 122, 0.2); }

/* --- Table Premium Styles --- */
.table-container { overflow-x: auto; width: 100%; }
.table { width: 100%; border-collapse: separate; border-spacing: 0 0.55rem; }
.table thead th {
    text-align: left;
    padding: 0.65rem 1rem;
    color: var(--text-muted);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 700;
    border-bottom: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.02);
}
.table tbody tr { transition: background var(--transition); }
.table td {
    padding: 0.95rem 1rem;
    background: rgba(255, 255, 255, 0.025);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.9rem;
}
.table td:first-child { border-left: 1px solid var(--glass-border); border-radius: var(--radius-md) 0 0 var(--radius-md); }
.table td:last-child { border-right: 1px solid var(--glass-border); border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.table tbody tr:hover td { background: rgba(255, 255, 255, 0.055); border-color: rgba(34, 211, 238, 0.25); }

/* --- MODAL PREMIUM & COMPACT CARDS --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(15px);
}

.modal-content {
    position: relative;
    width: 95%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    padding: 2.5rem;
    box-shadow: 0 40px 100px rgba(0,0,0,0.8);
    animation: modalScale 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

@media (max-width: 768px) {
    .modal-content {
        padding: var(--space-lg);
        border-radius: var(--radius-xl);
        border-color: var(--glass-border-strong);
    }
}

@keyframes modalScale {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255,255,255,0.05);
    border: none;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover { background: var(--accent); }

/* Members Grid Compact */
.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.25rem;
}

.compact-card {
    background: var(--bg-surface);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.compact-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    background: rgba(255,255,255,0.05);
}

.compact-photo {
    width: 50px;
    height: 50px;
    border-radius: 15px;
    background: rgba(255,255,255,0.05);
    border: 2px solid var(--glass-border);
    overflow: hidden;
    flex-shrink: 0;
}

.compact-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.compact-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 0.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
}

.dot-paid { background: #00ffaa; box-shadow: 0 0 10px #00ffaa; }
.dot-pending { background: var(--accent); box-shadow: 0 0 10px var(--accent); }

/* --- Login Screen Aura Neon --- */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-base);
    overflow: hidden;
}

.login-glass-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(112, 0, 255, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 242, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(255, 0, 122, 0.1) 0%, transparent 50%);
    filter: blur(80px);
    animation: auraPulse 10s infinite alternate ease-in-out;
}

@keyframes auraPulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.2); opacity: 1; }
}

.login-container {
    position: relative;
    z-index: 2001;
    width: 100%;
    max-width: 420px;
    padding: 2rem;
}

.login-card {
    background: rgba(13, 17, 23, 0.6);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 40px;
    padding: 3.5rem 2.5rem;
    box-shadow: 
        0 40px 100px rgba(0, 0, 0, 0.6),
        inset 0 0 20px rgba(255, 255, 255, 0.05);
    text-align: center;
}

.login-card .logo-wrapper {
    margin: 0 auto 2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 1.15rem;
    background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
    border-radius: 22px;
    border: 1px solid rgba(255, 255, 255, 0.85);
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 1);
}

.login-logo {
    width: 100px;
    height: auto;
    display: block;
    filter: drop-shadow(0 2px 10px rgba(15, 23, 42, 0.12));
}

.login-card h2 {
    font-size: 2.2rem;
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #fff 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-subtitle {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--text-silver);
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 2.5rem;
    opacity: 0.7;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--text-silver);
    margin-bottom: 0.6rem;
    margin-left: 0.5rem;
    letter-spacing: 1px;
}

.error-message {
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 1.5rem;
    min-height: 1rem;
    text-shadow: 0 0 10px rgba(255, 0, 122, 0.3);
}