:root {
    --color-primary: #4f46e5;
    --color-primary-light: #6366f1;
    --color-primary-dark: #4338ca;
    --color-primary-50: #eef2ff;
    --color-primary-100: #e0e7ff;
    --color-primary-600: #4f46e5;

    --color-success: #10b981;
    --color-success-light: #34d399;
    --color-success-dark: #059669;

    --color-warning: #f59e0b;
    --color-warning-light: #fbbf24;
    --color-warning-dark: #d97706;

    --color-danger: #ef4444;
    --color-danger-light: #f87171;
    --color-danger-dark: #dc2626;

    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Card theme colors */
    --card-theme1-bg: linear-gradient(135deg, #a855f7, #3b82f6);
    --card-theme1-color: #ffffff;

    --card-theme2-bg: linear-gradient(135deg, #10b981, #34d399);
    --card-theme2-color: #ffffff;

    --card-theme3-bg: linear-gradient(90deg, #ffc3a0 0%, #ffafbd 100%);
    --card-theme3-color: #4b5563;

    --card-theme4-bg: linear-gradient(90deg, hsla(221, 45%, 73%, 1) 0%, hsla(220, 78%, 29%, 1) 100%);
    --card-theme4-color: #ffffff;

    --card-theme5-bg: linear-gradient(90deg, hsla(46, 73%, 75%, 1) 0%, hsla(176, 73%, 88%, 1) 100%);
    --card-theme5-color: #1f2937;

    --card-theme6-bg: linear-gradient(90deg, hsla(277, 75%, 84%, 1) 0%, hsla(297, 50%, 51%, 1) 100%);
    --card-theme6-color: #ffffff;

    --card-theme7-bg: linear-gradient(90deg, hsla(59, 86%, 68%, 1) 0%, hsla(134, 36%, 53%, 1) 100%);
    --card-theme7-color: #ffffff;

    --border-radius-sm: 0.25rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-2xl: 1.5rem;
    --border-radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    --primary-gradient: linear-gradient(135deg, var(--color-primary-light), var(--color-primary-dark));
    --success-gradient: linear-gradient(135deg, var(--color-success-light), var(--color-success-dark));
    --warning-gradient: linear-gradient(135deg, var(--color-warning-light), var(--color-warning-dark));
    --danger-gradient: linear-gradient(135deg, var(--color-danger-light), var(--color-danger-dark));
    --purple-blue-gradient: linear-gradient(135deg, #a855f7, #3b82f6);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: #f8fafc;
    color: var(--color-gray-800);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========== Layout & Container ========== */
.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1.5rem; 
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.app-container.loaded {
    opacity: 1;
    transform: translateY(0);
}

/* ========== Header ========== */
.main-header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeDown 0.8s ease forwards;
    position: relative;
}

@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    gap: 0.75rem;
}

.logo-icon {
    width: 3rem;
    height: 3rem;
    background: var(--purple-blue-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
    animation: pulse 2s infinite;
}

.logo-icon svg {
    width: 1.75rem;
    height: 1.75rem;
}

.logo h1 {
    font-size: 2.25rem;
    font-weight: 700;
    background: var(--purple-blue-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.tagline {
    color: var(--color-gray-600);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    animation: fadeIn 0.8s ease forwards 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ========== Search Section ========== */
.search-section {
    margin-bottom: 3rem;
    animation: fadeUp 0.8s ease forwards 0.5s;
    opacity: 0;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.search-wrapper {
    max-width: 700px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    align-items: center;
    background-color: white;
    border-radius: var(--border-radius-full);
    padding: 0.25rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
}

.search-box:focus-within {
    box-shadow: var(--shadow-xl), 0 0 0 3px rgba(99, 102, 241, 0.2);
    transform: translateY(-2px);
}

.search-icon {
    padding: 0 0.75rem;
    color: var(--color-gray-400);
}

.search-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

#domain-input {
    flex: 1;
    border: none;
    padding: 0.75rem 0.5rem;
    font-size: 1rem;
    outline: none;
    color: var(--color-gray-800);
}

.analyze-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--purple-blue-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius-full);
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    overflow: hidden;
    position: relative;
}

.analyze-button:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: all 0.6s;
}

.analyze-button:hover:before {
    left: 100%;
}

.analyze-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(79, 70, 229, 0.4);
}

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

.analyze-button svg {
    width: 1rem;
    height: 1rem;
    transition: transform 0.2s ease;
}

.analyze-button:hover svg {
    transform: translateX(3px);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.action-btn {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    border: 1px solid var(--color-gray-200);
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.action-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.4s ease;
}

.action-btn:hover:before {
    transform: scale(1);
}

.action-btn:hover {
    background-color: var(--color-primary-50);
    color: var(--color-primary);
    border-color: var(--color-primary-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.action-btn svg {
    width: 1.125rem;
    height: 1.125rem;
    position: relative;
    z-index: 1;
}

/* ========== Domain Info ========== */
.domain-info {
    background: white;
    border-radius: var(--border-radius-xl);
    padding: 1.5rem 2rem;
    margin-bottom: 2.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-gray-200);
    animation: slideIn 0.8s ease forwards 0.7s;
    opacity: 0;
    transform: translateY(20px);
    position: relative;
    overflow: hidden;
}

.domain-info:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--purple-blue-gradient);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.domain-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.domain-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    position: relative;
}

.domain-name::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.domain-info:hover .domain-name::after {
    width: 100%;
}

.domain-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-full);
    font-size: 0.875rem;
    color: var(--color-success-dark);
    font-weight: 500;
}

.status-dot {
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--color-success);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 5px var(--color-success-light);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }

    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }

    100% {
        transform: scale(0.95);
    }
}

.domain-meta {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.meta-item svg {
    width: 1rem;
    height: 1rem;
    color: var(--color-primary-light);
}

/* ========== Dashboard Tabs ========== */
.dashboard-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--color-gray-200);
    animation: fadeIn 0.8s ease forwards 0.8s;
    opacity: 0;
    overflow-x: auto;
    padding-bottom: 1px;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    color: var(--color-gray-600);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.tab-btn:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.tab-btn:hover {
    color: var(--color-primary);
}

.tab-btn:hover:before {
    width: 80%;
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

.tab-btn.active:before {
    width: 100%;
}

/* ========== Metrics Section ========== */
.metrics-section {
    margin-bottom: 3rem;
    animation: fadeUp 0.8s ease forwards 0.9s;
    opacity: 0;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--purple-blue-gradient);
    border-radius: var(--border-radius-full);
}

.domain-metrics-title {
    margin-top: 3rem;
}

.metrics-grid,
.domain-metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.domain-metrics-grid {
    grid-template-columns: repeat(4, 1fr);
}

.metric-card {
    background: rgba(255, 255, 255, 0.95);
    /* slightly transparent for glassmorphism */
    backdrop-filter: blur(6px);
    border-radius: var(--border-radius-xl);
    padding: 1rem;
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: all 0.4s ease;
    overflow: hidden;
    z-index: 1;
}

.metric-card.theme1 {
    background: var(--card-theme1-bg);
    
}

.metric-card.theme2 {
    background: var(--card-theme2-bg);
}

.metric-card.theme3 {
    background: var(--card-theme3-bg);
}

.metric-card.theme4 {
    background: var(--card-theme4-bg);
}

.metric-card.theme5 {
    background: var(--card-theme5-bg);
}

.metric-card.theme6 {
    background: var(--card-theme6-bg);
}

.metric-card.theme7 {
    background: var(--card-theme7-bg);
}


.metric-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: var(--border-radius-lg);
}

.metric-card.theme1::after {
    background: var(--card-theme1-bg);
    
}

.metric-card.theme2::after {
    background: var(--card-theme2-bg);
}

.metric-card.theme3::after {
    background: var(--card-theme3-bg);
}

.metric-card.theme4::after {
    background: var(--card-theme4-bg);
}

.metric-card.theme5::after {
    background: var(--card-theme5-bg);
}

.metric-card.theme6::after {
    background: var(--card-theme6-bg);
}

.metric-card.theme7::after {
    background: var(--card-theme7-bg);
}

.metric-card:hover::after {
    opacity: 1;
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    color: white;
}

.metric-card:hover .card-header h3,
.metric-card:hover .card-value,
.metric-card:hover .card-desc {
    color: white;
    margin-bottom: 0px;
}

.metric-card.theme1:hover .card-desc {
    color: rgba(255, 255, 255, 0.8);
}

.metric-card.theme2:hover .card-desc {
    color: rgba(255, 255, 255, 0.8);
}

.metric-card.theme3:hover .card-desc {
    color: rgba(0, 0, 0, 0.7);
}

.metric-card.theme4:hover .card-desc {
    color: rgba(255, 255, 255, 0.8);
}

.metric-card.theme5:hover .card-desc {
    color: rgba(0, 0, 0, 0.7);
}

.metric-card.theme6:hover .card-desc {
    color: rgba(255, 255, 255, 0.8);
}

.metric-card.theme7:hover .card-desc {
    color: rgba(255, 255, 255, 0.8);
}

.metric-card:hover .card-icon {
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
}

.metric-card.theme3:hover .card-header h3,
.metric-card.theme3:hover .card-value,
.metric-card.theme5:hover .card-header h3,
.metric-card.theme5:hover .card-value {
    color: var(--color-gray-800);
}



.metric-card.featured {
    grid-column: span 1;
    height: 100%;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-700);
    transition: color 0.3s ease;
}

.card-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--border-radius);
    background-color: var(--color-primary-50);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all 0.3s ease;
}

.metric-card:hover .card-icon {
    transform: scale(1.1);
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
    position: relative;
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.card-value.animated {
    animation: countUp 0.5s ease forwards;
}

.card-desc {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: 1.25rem;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.progress-bar {
    height: 0.5rem;
    background-color: var(--color-gray-100);
    border-radius: var(--border-radius-full);
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress {
    height: 100%;
    background: var(--purple-blue-gradient);
    border-radius: var(--border-radius-full);
    width: 0;
    transition: width 1.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.metric-card:hover .progress {
    background: rgba(255, 255, 255, 0.8);
}

.sparkline,
.chart {
    width: 100%;
    height: 50px;
    margin-top: 0.5rem;
}

.chart {
    height: 150px;
    margin-top: 1rem;
}


.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-3px);
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--color-gray-200);
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ========== Loading Overlay ========== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    backdrop-filter: blur(4px);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.spinner {
    width: 3rem;
    height: 3rem;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-left: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader p {
    color: white;
    font-weight: 500;
    font-size: 1.125rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========== Responsive Design ========== */
@media (max-width: 992px) {
    .domain-metrics-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .app-container {
        padding: 1.5rem 1rem;
    }

    .logo h1 {
        font-size: 1.75rem;
    }

    .tagline {
        font-size: 1rem;
    }

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

    .domain-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .domain-status {
        align-self: flex-start;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .search-box {
        flex-direction: column;
        padding: 0.75rem;
        gap: 0.75rem;
        border-radius: var(--border-radius-lg);
    }

    #domain-input {
        width: 100%;
        border: 1px solid var(--color-gray-200);
        border-radius: var(--border-radius);
        padding: 0.75rem;
    }

    .search-icon {
        display: none;
    }

    .analyze-button {
        width: 100%;
        justify-content: center;
    }

    .card-value {
        font-size: 1.5rem;
    }

    .domain-meta {
        flex-direction: column;
        gap: 0.75rem;
    }

    .dashboard-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }

    .tab-btn {
        padding: 0.75rem 1rem;
        flex: 0 0 auto;
    }
}