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

:root {
    --bg-body: #090d16;
    --bg-card: #121824;
    --bg-card-hover: #1e2538;
    --bg-sidebar: #121824;
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #4f46e5;
    --accent-primary-hover: #4338ca;
    --accent-secondary: #06b6d4;
    --border-color: #1e293b;
    --input-bg: #1e263d;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.45);
    --shadow-lg: 0 20px 32px -8px rgba(0, 0, 0, 0.5);
    --badge-top-1: #f59e0b;
    --badge-top-2: #94a3b8;
    --badge-top-3: #d97706;
    --gradient-accent: linear-gradient(135deg, #4f46e5, #06b6d4);
    --gradient-header: linear-gradient(135deg, #1e1b4b, #312e81);
    --gradient-card: linear-gradient(135deg, #121824, #1b2234);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-bottom: 60px;
    line-height: 1.5;
}

h1, h2, h3, h4 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
}

.container {
    width: 100%;
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Nav styles */
.top-nav {
    background-color: #121824;
    border-bottom: 1px solid var(--border-color);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-circle {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 800;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 1.35rem;
    box-shadow: var(--shadow-md);
}

.brand-title {
    font-size: 1.3rem;
    letter-spacing: -0.02em;
    color: #ffffff;
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 12px;
    align-items: center;
}

.nav-link {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    color: #94a3b8;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    border: 1px solid transparent;
}

.nav-link:hover {
    background-color: var(--bg-card-hover);
    color: #ffffff;
}

.nav-link.active {
    background-color: var(--bg-card-hover);
    color: #ffffff;
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

/* Base components */
.summary-card {
    background: var(--gradient-header);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 32px 40px;
    color: #ffffff;
    margin-top: 36px;
    margin-bottom: 36px;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 28px;
    align-items: center;
}

.summary-item h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 8px;
    font-weight: 700;
}

.summary-item .amount {
    font-size: 3rem;
    font-weight: 800;
    font-family: 'Plus Jakarta Sans', sans-serif;
    letter-spacing: -0.03em;
    color: #ffffff;
}

.summary-item .receiver-name {
    font-size: 1.4rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: #ffffff;
}

.summary-actions {
    display: flex;
    gap: 14px;
    justify-content: flex-end;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 12px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    gap: 10px;
    box-shadow: var(--shadow-sm);
}

.btn:active { transform: scale(0.96); }

.btn-primary {
    background: var(--gradient-accent);
    color: #ffffff;
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(79, 70, 229, 0.45);
}

.btn-outline {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: #ffffff;
}

.btn-outline:hover {
    background: var(--bg-card-hover);
    border-color: #475569;
}

.btn-danger {
    background-color: #dc2626;
    color: #ffffff;
}

.btn-danger:hover { background-color: #b91c1c; }

/* Grid Dashboard */
.card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 32px;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: 24px;
    height: 100%;
    margin-bottom: 32px;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 18px;
    margin-bottom: 6px;
}

.card-title {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ffffff;
    font-weight: 800;
}

.card-subtitle {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-top: 4px;
}

/* Leaderboard view */
.leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 24px;
    background-color: var(--bg-card-hover);
    border-radius: 14px;
    border: 1px solid transparent;
}

.leaderboard-item:hover {
    border-color: #334155;
    background-color: var(--bg-card);
    transform: translateX(3px);
    box-shadow: var(--shadow-sm);
}

.rank-badge {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 1.05rem;
    flex-shrink: 0;
    background: var(--bg-body);
    color: var(--text-secondary);
}

.rank-badge.top-1 { background-color: var(--badge-top-1); color: #111827; }
.rank-badge.top-2 { background-color: var(--badge-top-2); color: #111827; }
.rank-badge.top-3 { background-color: var(--badge-top-3); color: #ffffff; }

.member-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.member-name-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.member-name {
    font-weight: 700;
    font-size: 1.1rem;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: #ffffff;
}

.member-fines {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--accent-secondary);
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background-color: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 4px;
    background: var(--gradient-accent);
    width: 0%;
}

/* Members grid view */
.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 20px;
}

.member-card {
    background-color: var(--bg-card-hover);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 18px;
    box-shadow: var(--shadow-sm);
}

.member-card:hover {
    border-color: #3b82f6;
    background-color: var(--bg-card);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.member-card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.member-card-title {
    font-weight: 700;
    font-size: 1.1rem;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: #ffffff;
}

.member-card-subtitle {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-top: 4px;
}

.member-card-fines {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--accent-secondary);
}

.member-card-actions {
    display: flex;
    gap: 10px;
}

/* Log Tables */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

th {
    background-color: var(--bg-card-hover);
    padding: 16px 20px;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 700;
    color: #94a3b8;
    border-bottom: 1px solid var(--border-color);
}

td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    color: #e2e8f0;
}

tr:hover td { background-color: var(--bg-card-hover); }

/* Modals */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(9, 13, 22, 0.6);
    backdrop-filter: blur(12px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
}

.modal-backdrop.active { opacity: 1; pointer-events: all; }

.modal {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    width: 90%;
    max-width: 440px;
    padding: 32px;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.modal-backdrop.active .modal { transform: translateY(0); }

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.modal-title {
    font-size: 1.35rem;
    font-weight: 800;
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: #ffffff;
}

.modal-close {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 1.6rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover { background-color: var(--bg-card-hover); color: #ffffff; }

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #94a3b8;
    font-family: 'Plus Jakarta Sans', sans-serif;
}

.form-select {
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: #ffffff;
    padding: 14px;
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    width: 100%;
    outline: none;
    cursor: pointer;
}

.form-select:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 8px;
}