/* Seer Vasagar Vattam - Chit Fund System Stylesheet */
/* Color Theme: Blue (#1a73e8), Black (#000000), Red (#dc143c) */

:root {
    --primary-blue: #1a73e8;
    --dark-blue: #0d47a1;
    --light-blue: #4285f4;
    --accent-red: #dc143c;
    --dark-red: #b71c1c;
    --black: #000000;
    --dark-gray: #212121;
    --gray: #757575;
    --light-gray: #f5f5f5;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.2);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-gray);
    background: var(--light-gray);
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--black);
    margin-bottom: 15px;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--dark-blue);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    box-shadow: 0 4px 12px var(--shadow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--dark-blue) 0%, #0a2c6a 100%);
    box-shadow: 0 6px 16px var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--accent-red);
    color: var(--white);
}

.btn-secondary:hover {
    background: var(--dark-red);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Navbar */
.navbar {
    background: var(--black);
    padding: 15px 0;
    box-shadow: 0 2px 8px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.nav-brand .logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    background: white;
    padding: 5px;
    border-radius: 8px;
}

.brand-name {
    color: var(--white);
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 15px;
    align-items: center;
}

.nav-links a {
    color: var(--white);
}

/* Landing Page Hero */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--accent-red);
    font-weight: 600;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--black);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 2px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 24px var(--shadow-lg);
    border-color: var(--primary-blue);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

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

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--black);
}

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

/* Benefits Section */
.benefits {
    padding: 80px 0;
    background: var(--light-gray);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--white);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px var(--shadow);
}

.benefit-item i {
    font-size: 1.5rem;
    color: var(--success);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--dark-red) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--white);
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* Footer */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 15px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--light-gray);
}

.footer-section a:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: var(--light-gray);
}

/* Auth Container */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
}

.auth-box {
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 10px 40px var(--shadow-lg);
    max-width: 500px;
    width: 100%;
    overflow: hidden;
}

.auth-header {
    background: var(--black);
    color: var(--white);
    padding: 40px 30px;
    text-align: center;
}

.auth-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    background: white;
    padding: 10px;
    border-radius: 12px;
}

.auth-header h1 {
    color: var(--white);
    margin-bottom: 10px;
}

.auth-header p {
    color: var(--light-gray);
}

.auth-form {
    padding: 30px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-gray);
}

.form-group label i {
    color: var(--primary-blue);
    margin-right: 5px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.form-hint {
    display: block;
    margin-top: 5px;
    font-size: 13px;
    color: var(--gray);
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: 5px;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.forgot-link {
    font-size: 14px;
}

.auth-footer {
    padding: 20px 30px;
    background: var(--light-gray);
    text-align: center;
}

.auth-footer p {
    margin: 10px 0;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.alert i {
    font-size: 20px;
}

.alert ul {
    margin: 0;
    padding-left: 20px;
}

.alert-success {
    background: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid var(--success);
}

.alert-error {
    background: #ffebee;
    color: #c62828;
    border-left: 4px solid var(--error);
}

.alert-warning {
    background: #fff3e0;
    color: #e65100;
    border-left: 4px solid var(--warning);
}

.alert-info {
    background: #e3f2fd;
    color: #1565c0;
    border-left: 4px solid var(--primary-blue);
}

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

.sidebar {
    width: 260px;
    background: var(--black);
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    background: var(--dark-gray);
    display: flex;
    align-items: center;
    gap: 15px;
}

.sidebar-logo {
    width: 50px;
    height: 50px;
    background: white;
    padding: 5px;
    border-radius: 8px;
}

.sidebar-title {
    font-size: 1.2rem;
    font-weight: 600;
}

.sidebar-menu {
    list-style: none;
    padding: 20px 0;
}

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

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--white);
    transition: all 0.3s ease;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background: var(--primary-blue);
}

.sidebar-menu i {
    width: 20px;
    text-align: center;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    background: var(--light-gray);
}

.topbar {
    background: var(--white);
    padding: 15px 30px;
    box-shadow: 0 2px 8px var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar-left h2 {
    margin: 0;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.content-area {
    padding: 30px;
}

/* Cards */
.card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 8px var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.5rem;
    margin: 0;
}

.card-body {
    padding: 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--white);
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 2px 8px var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 16px var(--shadow-lg);
}

.stat-info h4 {
    font-size: 2rem;
    margin-bottom: 5px;
    color: var(--black);
}

.stat-info p {
    color: var(--gray);
    margin: 0;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.stat-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--dark-blue) 100%);
}

.stat-success {
    background: linear-gradient(135deg, #4caf50 0%, #2e7d32 100%);
}

.stat-warning {
    background: linear-gradient(135deg, #ff9800 0%, #e65100 100%);
}

.stat-danger {
    background: linear-gradient(135deg, var(--accent-red) 0%, var(--dark-red) 100%);
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

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

table thead {
    background: var(--black);
    color: var(--white);
}

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

table tbody tr:hover {
    background: var(--light-gray);
}

.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.badge-success {
    background: #e8f5e9;
    color: #2e7d32;
}

.badge-pending {
    background: #fff3e0;
    color: #e65100;
}

.badge-failed {
    background: #ffebee;
    color: #c62828;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        transform: translateX(-100%);
        z-index: 1001;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .menu-toggle {
        display: block;
    }

    .topbar {
        padding: 15px;
    }

    .content-area {
        padding: 15px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        flex-direction: column;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    table {
        font-size: 14px;
    }

    table th,
    table td {
        padding: 10px 5px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .auth-box {
        margin: 10px;
    }

    .btn-lg {
        padding: 12px 24px;
        font-size: 16px;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.mt-30 { margin-top: 30px; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.p-20 { padding: 20px; }
.p-30 { padding: 30px; }