:root {
    --primary-bg: #0f1419;
    --secondary-bg: #1a1f2e;
    --card-bg: #1e2435;
    --accent-blue: #00a8ff;
    --accent-blue-glow: rgba(0, 168, 255, 0.4);
    --accent-white: #e0e0e0;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #8a8a8a;
    --border-color: #2a3042;
    --success: #4cd964;
    --warning: #ffcc00;
    --danger: #ff3b30;
    --border-radius: 12px;
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--secondary-bg);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px var(--accent-blue-glow);
}

.nav ul {
    display: flex;
    list-style: none;
}

.nav li {
    margin-left: 30px;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav a:hover, .nav a.active {
    color: var(--text-primary);
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent-blue);
    box-shadow: 0 0 8px var(--accent-blue);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: radial-gradient(circle at top right, rgba(0, 168, 255, 0.1), transparent 50%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000" opacity="0.05"><polygon fill="%2300a8ff" points="1000,500 500,1000 0,500 500,0"/></svg>') center/cover no-repeat;
    z-index: -1;
}

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

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    background: linear-gradient(90deg, var(--text-primary), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 500px;
}

.cta-button {
    background: linear-gradient(135deg, var(--accent-blue), #0097e6);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px var(--accent-blue-glow);
    text-decoration: none;
    display: inline-block;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px var(--accent-blue-glow);
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    width: 180px;
    text-align: center;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.floating-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 0 0 15px var(--accent-blue-glow);
}

.floating-card i {
    font-size: 2rem;
    color: var(--accent-blue);
    margin-bottom: 15px;
}

.floating-card h3 {
    font-size: 1rem;
    font-weight: 600;
}

.card-1 {
    top: 0;
    left: 10%;
    animation: float 6s ease-in-out infinite;
}

.card-2 {
    top: 20%;
    right: 10%;
    animation: float 6s ease-in-out infinite 1s;
}

.card-3 {
    bottom: 20%;
    left: 5%;
    animation: float 6s ease-in-out infinite 2s;
}

.card-4 {
    bottom: 0;
    right: 15%;
    animation: float 6s ease-in-out infinite 3s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--secondary-bg);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-blue);
    box-shadow: 0 0 10px var(--accent-blue);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 0 0 15px var(--accent-blue-glow);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(0, 168, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--accent-blue-glow);
}

.feature-icon i {
    font-size: 2rem;
    color: var(--accent-blue);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top right, rgba(0, 168, 255, 0.1), transparent 50%);
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 450px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

.auth-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 30px;
    background: linear-gradient(90deg, var(--text-primary), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.auth-form input {
    width: 100%;
    padding: 12px 15px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px var(--accent-blue-glow);
}

.auth-button {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--accent-blue), #0097e6);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

.auth-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--accent-blue-glow);
}

.auth-link {
    text-align: center;
    margin-top: 20px;
    color: var(--text-secondary);
}

.auth-link .link {
    color: var(--accent-blue);
    text-decoration: none;
    font-weight: 500;
}

.auth-link .link:hover {
    text-decoration: underline;
}

/* Dashboard */
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--secondary-bg);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 1.5rem;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-menu {
    padding: 20px 0;
}

.sidebar-menu ul {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 5px;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background: rgba(0, 168, 255, 0.1);
    color: var(--text-primary);
}

.menu-item.active {
    background: rgba(0, 168, 255, 0.15);
    color: var(--text-primary);
    border-left-color: var(--accent-blue);
}

.menu-item i {
    margin-right: 12px;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 20px;
    background: var(--primary-bg);
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.content-header h1 {
    font-size: 2rem;
    margin-bottom: 5px;
}

.content-header p {
    color: var(--text-secondary);
}

.user-profile {
    display: flex;
    align-items: center;
    background: var(--card-bg);
    padding: 8px 15px;
    border-radius: 30px;
    border: 1px solid var(--border-color);
}

.user-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
}

.user-avatar i {
    color: white;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: var(--box-shadow);
    margin-bottom: 25px;
    overflow: hidden;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

/* Salary Card */
.salary-card .salary-amount {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.salary-info p {
    margin-bottom: 5px;
    color: var(--text-secondary);
}

.salary-info span {
    color: var(--text-primary);
    font-weight: 500;
}

/* Summary Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.summary-card {
    display: flex;
    align-items: center;
    padding: 20px;
    transition: var(--transition);
}

.summary-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3), 0 0 15px var(--accent-blue-glow);
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(0, 168, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    border: 1px solid var(--accent-blue-glow);
}

.card-icon i {
    font-size: 1.5rem;
    color: var(--accent-blue);
}

.card-content h3 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.amount {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.trend {
    font-size: 0.8rem;
    font-weight: 600;
}

.trend.positive {
    color: var(--success);
}

.trend.negative {
    color: var(--danger);
}

.trend.neutral {
    color: var(--text-muted);
}

/* Quick Actions */
.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 15px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.action-btn:hover {
    background: rgba(0, 168, 255, 0.1);
    border-color: var(--accent-blue);
    transform: translateY(-3px);
}

.action-btn i {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: var(--accent-blue);
}

.action-btn span {
    font-weight: 500;
}

/* Charts */
.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.chart-placeholder {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary-bg);
    border-radius: 8px;
}

/* Activity */
.activity-item {
    display: flex;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 168, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    border: 1px solid var(--accent-blue-glow);
}

.activity-icon i {
    color: var(--accent-blue);
}

.activity-content p {
    margin-bottom: 5px;
}

.activity-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), #0097e6);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px var(--accent-blue-glow);
}

.btn-primary i {
    margin-right: 8px;
}

.btn-secondary {
    background: var(--secondary-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.btn-secondary:hover {
    background: rgba(0, 168, 255, 0.1);
    border-color: var(--accent-blue);
}

.btn-secondary i {
    margin-right: 8px;
}

.btn-icon {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 5px 8px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    color: var(--accent-blue);
    background: rgba(0, 168, 255, 0.1);
}

/* Forms */
.form-row {
    display: flex;
    gap: 20px;
}

.form-group {
    flex: 1;
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px 15px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px var(--accent-blue-glow);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

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

.data-table th, .data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--secondary-bg);
}

.data-table tr:hover {
    background: rgba(0, 168, 255, 0.05);
}

.table-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-group label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.filter-group input {
    padding: 8px 12px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-primary);
}

/* About Page */
.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-top: 40px;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-card h3 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-card p {
    color: var(--text-secondary);
}

.page-title {
    font-size: 2.5rem;
    margin-bottom: 30px;
    text-align: center;
    padding-top: 40px;
}

.page-content {
    padding: 120px 0 60px;
}

/* Status Badges */
.status-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-badge.unpaid {
    background: rgba(255, 59, 48, 0.2);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.status-badge.paid {
    background: rgba(76, 217, 100, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-badge.submitted {
    background: rgba(0, 168, 255, 0.2);
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

.status-badge.under-review {
    background: rgba(255, 204, 0, 0.2);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.status-badge.completed {
    background: rgba(76, 217, 100, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

/* Type Badges */
.type-badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.type-badge.daily {
    background: rgba(0, 168, 255, 0.2);
    color: var(--accent-blue);
    border: 1px solid var(--accent-blue);
}

.type-badge.debtor {
    background: rgba(255, 59, 48, 0.2);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.type-badge.creditor {
    background: rgba(255, 204, 0, 0.2);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.type-badge.suggestion {
    background: rgba(76, 217, 100, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

/* Salary Overview */
.salary-overview .salary-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.salary-main {
    text-align: center;
}

.salary-amount-large {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
}

.salary-period {
    color: var(--text-secondary);
    font-size: 1rem;
}

.salary-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-label {
    color: var(--text-secondary);
}

.info-value {
    font-weight: 600;
}

/* Terms & Conditions */
.terms-content {
    max-height: 70vh;
    overflow-y: auto;
}

.terms-section {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.terms-section:last-child {
    border-bottom: none;
}

.terms-section h2 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--accent-blue);
}

.terms-section p {
    margin-bottom: 10px;
    line-height: 1.6;
    color: var(--text-secondary);
}

.terms-section ul {
    margin: 10px 0 10px 20px;
    color: var(--text-secondary);
}

.terms-section li {
    margin-bottom: 5px;
    line-height: 1.5;
}

.terms-acknowledgment {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-bottom: 15px;
    justify-content: center;
}

.checkbox-label input {
    margin-right: 10px;
}

/* Filter Controls */
.filter-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: end;
}

/* Initially hidden forms */
.record-form, #debtor-form, #creditor-form, #suggestion-form {
    display: none;
}