:root {
    --primary: #1B3A2D;
    --text: #0f0e0d;
    --bg: #FFFFFF;
    --card-bg: #F0F5F2;
    --accent: #5FD4A3;
    --accent-hover: #4bc290;
    --transition: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 14px;
    color: var(--text);
    background-color: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1 {
    font-size: clamp(32px, 5vw, 56px);
    line-height: 1.1;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
    margin-bottom: 24px;
}

.subheader {
    font-size: clamp(16px, 2vw, 24px);
    color: var(--text);
    opacity: 0.8;
    margin: 0 auto 48px auto;
    max-width: 800px;
}

/* Layout */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 24px 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(27, 58, 45, 0.05);
}

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

.logo {
    font-weight: 800;
    font-size: 24px;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #3bb889 100%);
    color: var(--primary);
    box-shadow: 0 4px 14px rgba(95, 212, 163, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(95, 212, 163, 0.6);
}

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

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    width: 80vw;
    height: 80vw;
    max-width: 800px;
    max-height: 800px;
    background: radial-gradient(circle, rgba(95, 212, 163, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    z-index: -1;
    border-radius: 50%;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Benefits Section */
.benefits {
    padding: 80px 0;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: 24px;
    padding: 32px;
    transition: all var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.5);
    display: flex;
    flex-direction: column;
    gap: 20px;
    opacity: 0;
    transform: translateY(20px);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(27, 58, 45, 0.06);
    background-color: #ffffff;
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--bg);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(27, 58, 45, 0.04);
}

.card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
}

/* Animations Trigger Class */
.animate-in {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        padding: 80px 0 60px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .card {
        padding: 24px;
    }
}

/* Secondary Button */
.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid rgba(27, 58, 45, 0.2);
}

.btn-secondary:hover {
    background: rgba(27, 58, 45, 0.05);
}

/* Auth / Login Page */
.auth-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    background: radial-gradient(circle at top right, rgba(95, 212, 163, 0.1) 0%, rgba(255, 255, 255, 0) 60%);
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 24px 48px rgba(27, 58, 45, 0.08);
    border: 1px solid rgba(27, 58, 45, 0.05);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h2 {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 8px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--primary);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(27, 58, 45, 0.15);
    background: var(--bg);
    font-size: 16px;
    font-family: inherit;
    transition: all var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(95, 212, 163, 0.2);
}

.auth-error {
    color: #e53e3e;
    background: #fff5f5;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 14px;
    display: none;
}

.btn-block {
    width: 100%;
}

/* Dashboard Layout */
.dashboard-wrapper {
    padding: 32px 0 80px;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.dashboard-header h1 {
    margin-bottom: 8px;
    font-size: 32px;
}

.period-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--card-bg);
    border-radius: 100px;
    font-weight: 600;
    color: var(--primary);
    font-size: 14px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.metric-card {
    background: var(--bg);
    border: 1px solid rgba(27, 58, 45, 0.08);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 4px 12px rgba(27, 58, 45, 0.02);
}

.metric-title {
    font-size: 14px;
    color: var(--text);
    opacity: 0.7;
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.metric-value.tax {
    color: #e53e3e;
}

.metric-value.income {
    color: var(--accent-hover);
}

.tables-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

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

.table-container {
    background: var(--bg);
    border-radius: 20px;
    border: 1px solid rgba(27, 58, 45, 0.08);
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(27, 58, 45, 0.02);
}

.table-header {
    padding: 24px;
    border-bottom: 1px solid rgba(27, 58, 45, 0.08);
    background: var(--card-bg);
}

.table-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid rgba(27, 58, 45, 0.05);
}

.data-table th {
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text);
    opacity: 0.6;
}

.data-table tbody tr {
    transition: background-color var(--transition);
}

.data-table tbody tr:hover {
    background-color: var(--card-bg);
}

.data-table td {
    font-weight: 500;
}

.amount {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.data-table th.amount {
    text-align: right;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(27, 58, 45, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-content {
    background: var(--bg);
    border-radius: 24px;
    width: 100%;
    max-width: 440px;
    padding: 40px;
    position: relative;
    box-shadow: 0 24px 48px rgba(27, 58, 45, 0.1);
    transform: translateY(20px);
    opacity: 0;
    animation: modalFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    color: var(--text);
    opacity: 0.5;
    cursor: pointer;
    transition: opacity var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-modal:hover {
    opacity: 1;
}