@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Light theme colors - Modern & User Friendly */
    --bg-color: #f8fafc;
    --bg-gradient-start: #ffffff;
    --bg-gradient-end: #f1f5f9;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #dbeafe;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --radius: 12px;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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);
    --input-bg: #f8fafc;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.fade-in {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Login Screen */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    text-align: center;
}

.login-card h2 {
    margin-bottom: 0.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.login-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

input, select {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1.5px solid var(--border);
    background-color: var(--input-bg);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

input::placeholder {
    color: #94a3b8;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    background-color: white;
    box-shadow: 0 0 0 3px var(--accent-light);
}

button.btn-primary {
    width: 100%;
    padding: 0.875rem;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

button.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

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

/* Dashboard */
.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2.5rem;
    width: 100%;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-light);
}

h1 {
    font-weight: 700;
    font-size: 1.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.btn-secondary {
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    background-color: white;
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: var(--shadow);
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--accent);
    background-color: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.add-domain-section {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius);
    margin-bottom: 2.5rem;
    border: 1.5px solid var(--border);
    box-shadow: var(--shadow);
}

.grid-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    align-items: end;
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--accent);
    background-color: var(--accent-light);
}

.nav-link.active {
    color: var(--accent);
    background-color: var(--accent-light);
    font-weight: 600;
}

/* Domain List */
.domain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.domain-card {
    background: var(--card-bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.domain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent) 0%, var(--accent-hover) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.domain-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.domain-card:hover::before {
    opacity: 1;
}

.domain-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    word-break: break-all;
    color: var(--text-primary);
    font-weight: 600;
}

.domain-details {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.domain-detail-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding: 0.25rem 0;
}

.domain-detail-item span:first-child {
    font-weight: 500;
    color: var(--text-secondary);
}

.domain-detail-item span:last-child {
    color: var(--text-primary);
    font-weight: 500;
}

.days-left {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    background-color: var(--success-light);
    color: var(--success);
}

.days-left.warning {
    color: var(--warning);
    background-color: var(--warning-light);
}

.days-left.expired {
    color: var(--danger);
    background-color: var(--danger-light);
}

.card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-light);
    justify-content: flex-end;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    color: var(--accent);
    background-color: var(--accent-light);
}

.icon-btn.delete:hover {
    color: var(--danger);
    background-color: var(--danger-light);
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
    padding-top: 1.5rem;
    border-top: 2px solid var(--border-light);
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    min-width: 40px;
    padding: 0 1rem;
    background-color: white;
    border: 1.5px solid var(--border);
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    font-family: inherit;
    box-shadow: var(--shadow);
}

.pagination-btn span {
    display: flex;
    align-items: center;
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--accent-light);
    color: var(--accent);
    border-color: var(--accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.pagination-btn.active {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
    color: white;
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background-color: var(--border-light);
    border-color: var(--border);
}

.pagination-dots {
    color: var(--text-secondary);
    padding: 0 0.5rem;
}

/* Headings */
h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.25px;
}

/* Search Input */
#searchInput {
    max-width: 300px;
    padding: 0.625rem 1rem;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    background-color: white;
    box-shadow: var(--shadow);
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        padding: 1.5rem;
    }

    header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

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

    .domain-card {
        padding: 1.25rem;
    }

    .domain-grid {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: 2rem;
    }
    
    .app-container {
        padding: 1rem;
    }
}