@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-black: #111827;
    --text-grey: #6b7280;
    --text-light-grey: #e5e7eb;
    --accent-red: #ef4444;
    --accent-orange: #f97316;
    --accent-blue: #2563eb;
    --accent-light-blue: #0ea5e9;
    --accent-yellow: #f59e0b;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-black);
    background-color: var(--bg-light);
    margin: 0;
    padding: 0;
    font-size: 16px;
}

h1, h2, h3 {
    color: var(--text-black);
    margin: 0 0 1rem;
    font-weight: 700;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.dashboard-container {
    display: flex;
    min-height: 100vh;
    background-color: var(--bg-white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.main-content {
    flex-grow: 1;
    padding: 3rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--text-light-grey);
    margin: -3rem -3rem 3rem -3rem; 
}

.dashboard-header .logo-container img {
    height: 45px;
}

.dashboard-header .user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.95rem;
}

.dashboard-header .user-info .time {
    color: var(--text-grey);
}

.dashboard-header .user-info .admin-name {
    font-weight: 600;
}

.sidebar {
    width: 280px;
    background-color: var(--bg-white);
    border-right: 1px solid var(--text-light-grey);
    padding: 2rem 1.5rem;
    box-shadow: 2px 0 15px rgba(0, 0, 0, 0.03);
}

.sidebar nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar nav ul li {
    margin-bottom: 0.5rem;
}

.sidebar nav ul li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.85rem 1rem;
    text-decoration: none;
    color: var(--text-grey);
    font-weight: 500;
    border-radius: 10px;
    transition: all 0.2s ease-in-out;
}

.sidebar nav ul li a:hover,
.sidebar nav ul li a.active {
    background-color: #eef2ff;
    color: var(--accent-blue);
    transform: translateX(5px);
}

.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-light);
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 2rem;
}

.login-box {
    background: var(--bg-white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.login-box h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.75rem;
    color: var(--text-black);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-black);
}

.form-control {
    width: 100%;
    padding: 0.85rem;
    border: 1px solid var(--text-light-grey);
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    border-color: var(--accent-blue);
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn {
    padding: 0.85rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
    text-align: center;
}

.btn-primary {
    display: block;
    flex-grow: 1; 
    background-color: var(--accent-blue);
    color: var(--bg-white);
}

.btn-primary:hover {
    background-color: #1e40af;
    transform: translateY(-2px);
}

.btn-secondary {
    display: block;
    flex-grow: 1;
    background-color: var(--text-light-grey);
    color: var(--text-grey);
}

.btn-secondary:hover {
    background-color: #d1d5db;
    transform: translateY(-2px);
}

.btn-action {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    margin-right: 0.5rem;
}

.btn-action.btn-edit {
    background-color: #eef2ff;
    color: var(--accent-blue);
}

.btn-action.btn-edit:hover {
    background-color: #dbeafe;
}

.btn-action.btn-delete {
    background-color: #ffebeb;
    color: var(--accent-red);
}

.btn-action.btn-delete:hover {
    background-color: #fecaca;
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--accent-red);
}

.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stats-cards .card {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.2s ease;
}

.stats-cards .card:hover {
    transform: translateY(-5px);
}

.stats-cards .card h3 {
    margin: 0 0 0.5rem;
    color: var(--text-grey);
    font-size: 1rem;
    font-weight: 500;
}

.stats-cards .card p {
    margin: 0;
    font-size: 3rem;
    font-weight: 700;
}

.stats-cards .card:nth-child(1) p { color: var(--accent-blue); }
.stats-cards .card:nth-child(2) p { color: var(--accent-orange); }

.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.chart-box {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.chart-box h3 {
    text-align: center;
    margin-top: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    background-color: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

table th, table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--text-light-grey);
    font-size: 0.95rem;
}

table th {
    background-color: var(--bg-light);
    color: var(--text-grey);
    font-weight: 600;
}

table tr:hover {
    background-color: #f8fafc;
}

.original-url-cell {
    max-width: 250px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.generate-form, .add-admin-form {
    background-color: var(--bg-white);
    padding: 2rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.generate-form form, .add-admin-form form {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}

.generate-form input, .add-admin-form input, .add-admin-form select {
    flex-grow: 1;
    padding: 0.85rem;
    border: 1px solid var(--text-light-grey);
    border-radius: 8px;
}

.generate-form button, .add-admin-form button {
    padding: 0.85rem 2rem;
    background-color: var(--accent-blue);
    color: var(--bg-white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.generate-form button:hover, .add-admin-form button:hover {
    background-color: #1e40af;
    transform: translateY(-2px);
}

.btn-action {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    margin-right: 0.5rem;
}

.btn-action.btn-edit {
    background-color: #eef2ff;
    color: var(--accent-blue);
}

.btn-action.btn-edit:hover {
    background-color: #dbeafe;
}

.btn-action.btn-delete {
    background-color: #ffebeb;
    color: var(--accent-red);
}

.btn-action.btn-delete:hover {
    background-color: #fecaca;
}

.home-body {
    background: var(--bg-white);
    font-family: 'Inter', sans-serif;
}

.home-header {
    width: 100%;
    background-color: var(--bg-white);
    padding: 1.5rem 0;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
}

.home-header .header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.home-logo {
    height: 45px;
}

.home-nav a {
    color: var(--text-grey);
    font-weight: 500;
    margin-right: 2rem;
}

.btn-login {
    background-color: var(--accent-blue);
    color: var(--bg-white);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.2s ease;
}

.btn-login:hover {
    background-color: #1e40af;
}

.hero-banner {
    background: var(--bg-white);
    background-size: cover;
    padding: 10rem 2rem 8rem;
    color: var(--bg-white);
    text-align: center;
    margin-top: 7rem;
    position: relative;
    overflow: hidden;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    max-width: 800px;
    margin: 0 auto 1.5rem;
    color: var(--text-black);
}

.hero-content p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    opacity: 0.9;
    color: var(--text-grey);
}

.cta-button {
    background-color: var(--accent-orange);
    color: var(--bg-white);
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.cta-button:hover {
    background-color: #f95f00;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(249, 115, 22, 0.4);
}

.section {
    padding: 5rem 2rem;
    text-align: center;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-black);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-grey);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    text-align: left;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.features-grid .feature-card:nth-child(1) .feature-title { color: var(--accent-blue); }
.features-grid .feature-card:nth-child(2) .feature-title { color: var(--accent-orange); }
.features-grid .feature-card:nth-child(3) .feature-title { color: var(--accent-red); }
.features-grid .feature-card:nth-child(4) .feature-title { color: var(--accent-yellow); }

.pricing-section {
    background-color: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
    align-items: center;
}

.pricing-card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 3rem 2rem;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card.recommended {
    background-color: var(--accent-blue);
    color: var(--bg-white);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
    border: 2px solid var(--bg-white);
}

.pricing-card.recommended:hover {
    transform: scale(1.07);
}

.pricing-card.recommended .btn-primary {
    background-color: var(--bg-white);
    color: var(--accent-blue);
}

.pricing-card.recommended .price-tag {
    color: var(--bg-white);
}

.pricing-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.price-tag {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.price-tag span {
    font-size: 1rem;
    font-weight: 500;
}

.price-info {
    color: var(--text-grey);
    margin-bottom: 2rem;
}
.pricing-card.recommended .price-info {
    color: rgba(255, 255, 255, 0.8);
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-card ul li {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%232563eb" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-check-circle"><path d="M22 11.08V12a10 10 0 1 1-5.93-8.88"></path><polyline points="22 4 12 14.01 9 11.01"></polyline></svg>') no-repeat left center;
    background-size: 20px;
    padding-left: 30px;
    margin-bottom: 1rem;
    font-weight: 500;
}

.pricing-card.recommended ul li {
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="%23ffffff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-check-circle"><path d="M22 11.08V12a10 10 0 1 1-5.93-8.88"></path><polyline points="22 4 12 14.01 9 11.01"></polyline></svg>') no-repeat left center;
    color: var(--bg-white);
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}

.faq-item {
    border-bottom: 1px solid var(--text-light-grey);
    padding: 1.5rem 0;
}

.faq-question {
    width: 100%;
    text-align: left;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-black);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
    transition: color 0.2s ease;
}

.faq-question:hover {
    color: var(--accent-blue);
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.faq-question.active::after {
    content: '-';
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding-top: 0;
}

.faq-answer p {
    margin-top: 1rem;
    color: var(--text-grey);
    line-height: 1.6;
}

.home-footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-grey);
    background-color: var(--bg-white);
    border-top: 1px solid var(--text-light-grey);
}

.login-box .logo-container {
    text-align: center;
    margin-bottom: 2rem;
}

.login-box .logo-container img {
    height: 60px;
}

.form-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.btn-secondary-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    color: var(--text-grey);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-secondary-link:hover {
    background-color: var(--text-light-grey);
    color: var(--text-black);
}

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

.mt-3 {
    margin-top: 1rem;
}

@media (max-width: 1024px) {
    .container {
        padding: 1.5rem;
    }
    .dashboard-header, .main-content {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
    .sidebar {
        width: 220px;
        padding: 1.5rem 1rem;
    }
    .charts-container, .stats-cards, .features-grid, .pricing-grid {
        gap: 1rem;
    }
}

@media (max-width: 900px) {
    .dashboard-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--text-light-grey);
        box-shadow: none;
        padding: 1rem 0.5rem;
    }
    .main-content {
        padding: 2rem 1rem;
    }
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        padding: 1rem 1rem 2rem 1rem;
        margin: -2rem -1rem 2rem -1rem;
    }
}

@media (max-width: 700px) {
    .container {
        padding: 1rem;
    }
    .main-content, .dashboard-header {
        padding: 1rem;
    }
    .login-box {
        padding: 1.5rem;
    }
    .generate-form, .add-admin-form {
        padding: 1rem;
    }
    .charts-container, .stats-cards, .features-grid, .pricing-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .section {
        padding: 2.5rem 1rem;
    }
    .hero-banner {
        padding: 5rem 1rem 3rem;
        margin-top: 5rem;
    }
    .home-header .header-inner {
        flex-direction: column;
        gap: 1rem;
        padding: 0 1rem;
    }
    .home-nav a {
        margin-right: 1rem;
    }
    .pricing-card {
        padding: 2rem 1rem;
    }
    .generate-form form, .add-admin-form form {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }
    .generate-form input, .add-admin-form input, .add-admin-form select {
        width: 100%;
        min-width: 0;
    }
    .generate-form button, .add-admin-form button {
        width: 100%;
    }
    table {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        border-radius: 8px;
    }
    table thead, table tbody, table tr {
        display: table;
        width: 100%;
        table-layout: fixed;
    }
    .original-url-cell {
        max-width: 120px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }
    .container {
        padding: 0.5rem;
    }
    .main-content, .dashboard-header {
        padding: 0.5rem;
    }
    .login-box {
        padding: 1rem;
    }
    .generate-form, .add-admin-form {
        padding: 0.5rem;
    }
    .section {
        padding: 1.5rem 0.5rem;
    }
    .hero-banner {
        padding: 2.5rem 0.5rem 1.5rem;
        margin-top: 3.5rem;
    }
    .home-header .header-inner {
        padding: 0 0.5rem;
    }
    .feature-card {
        padding: 1.25rem;
    }
    .pricing-card {
        padding: 1.25rem 0.5rem;
    }
    table th, table td {
        padding: 0.5rem 0.5rem;
        font-size: 0.9rem;
    }
    .btn, .btn-primary, .btn-secondary, .btn-login, .cta-button {
        padding: 0.65rem 1rem;
        font-size: 1rem;
    }
    .generate-form form, .add-admin-form form {
        gap: 0.5rem;
    }
    .original-url-cell {
        max-width: 80px;
        font-size: 0.85rem;
    }
}