:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #10b981;
    --secondary-dark: #059669;
    --danger: #ef4444;
    --danger-dark: #dc2626;
    --warning: #f59e0b;
    --info: #3b82f6;
    --background: #f8fafc;
    --container-bg: #ffffff;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 12px;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background);
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    padding: 1rem 1rem;
    color: var(--text-main);
}

.container {
    max-width: 1300px;
    margin: 20px auto;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.3);
    overflow: hidden;
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.header {
    position: relative;
    background: transparent;
    color: var(--text-main);
    padding: 1.5rem 2.5rem;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #6366f1, #a855f7, #ec4899);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-content p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.tabs {
    display: flex;
    background: #f1f5f9;
    padding: 0.4rem;
    margin: 0 1.5rem 1.5rem;
    border-radius: var(--radius-md);
    gap: 0.4rem;
    overflow-x: auto;
}

.tab {
    flex: 1;
    padding: 0.7rem 1rem;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-muted);
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.9rem;
}

.tab:hover {
    background: rgba(255, 255, 255, 0.5);
    color: var(--text-main);
}

.tab.active {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.hero-section {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    margin: 1.5rem 2rem;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.hero-balance {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    letter-spacing: -0.03em;
    margin: 0.5rem 0;
    background: linear-gradient(to bottom, #ffffff 0%, #e2e8f0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-label {
    font-size: 1rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #94a3b8;
}

.stat-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: all 0.3s;
    background: white;
}

.stat-card .value {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    letter-spacing: -0.02em;
    margin-top: 0.5rem;
}

.action-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.action-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 20px -8px rgba(99, 102, 241, 0.3);
    background: linear-gradient(to bottom right, #ffffff, #f5f3ff);
    transform: translateY(-4px);
}

.action-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(12px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    overflow-y: auto;
}

.modal.active { display: flex; }

.modal-content {
    background: white;
    border-radius: var(--radius-lg);
    width: 100%;
    margin: auto;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: modalSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.form-group { margin-bottom: 1.25rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 700; color: var(--text-main); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 0.8rem 1rem; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: 1rem; transition: border-color 0.2s;
}
.form-group input:focus { outline: none; border-color: var(--primary); }

.btn {
    padding: 0.75rem 1.5rem; border: none; border-radius: var(--radius-sm); cursor: pointer; font-weight: 700; display: inline-flex; align-items: center; gap: 8px; transition: 0.2s;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); }

.btn-secondary { background: #f1f5f9; color: #475569; }
.btn-secondary:hover { background: #e2e8f0; }

.txn-card-enhanced {
    background: white; padding: 1.25rem; border-radius: var(--radius-md); border: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.75rem; transition: 0.2s;
}
.txn-card-enhanced:hover { border-color: var(--primary); background: #fcfdfe; }

.statement-table { width:100%; border-collapse:collapse; margin-top:1.5rem; }
.statement-table th { padding:1rem; text-align:left; background:#f8fafc; font-size:0.75rem; text-transform:uppercase; color:var(--text-muted); border-bottom:2px solid var(--border); }
.statement-table td { padding:1rem; border-bottom:1px solid var(--border); }
.total-row { font-weight:800; background:#f8fafc; }

/* Enhanced Controls & Filters */
.enhanced-controls {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    align-items: flex-end;
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.logout-btn {
    padding: 0.6rem 1.2rem;
    background: #fff1f2;
    color: #f43f5e;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    border: 1.5px solid #fecaca;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.logout-btn:hover {
    background: #f43f5e;
    color: white;
    border-color: #e11d48;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(244, 63, 94, 0.2);
}

.enhanced-controls select,
.enhanced-controls input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
    background-color: #f8fafc;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
}

.enhanced-controls select:hover,
.enhanced-controls input:hover {
    border-color: #cbd5e1;
    background-color: white;
}

.enhanced-controls select:focus,
.enhanced-controls input:focus {
    outline: none;
    border-color: var(--primary);
    background-color: white;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

/* Page Components */
.page-summary {
    background: white;
    padding: 1.5rem 2rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 0.5rem;
}

.section-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
}

@media (max-width: 768px) {
    .header { flex-direction: column; text-align: center; gap: 1rem; }
    .hero-balance { font-size: 2.5rem; }
}