:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-bg: #0f0f23;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0.1;
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.3) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.3;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
    animation: fadeInDown 0.8s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

.logo-icon {
    width: 60px;
    height: 60px;
    color: #0077b5;
    filter: drop-shadow(0 4px 12px rgba(0, 119, 181, 0.4));
}

.logo-text {
    font-size: 3rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.action-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Buttons */
.btn {
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Inter', sans-serif;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 2px solid var(--card-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Floating Admin Button */
.floating-admin-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4), 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    z-index: 999;
    animation: fadeInUp 0.5s ease-out;
}

.floating-admin-btn:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 6px 24px rgba(102, 126, 234, 0.6), 0 12px 48px rgba(0, 0, 0, 0.4);
}

.floating-admin-btn:active {
    transform: translateY(-2px) scale(1);
}

.floating-admin-btn.logout {
    background: linear-gradient(135deg, #ff3b30 0%, #ff6b6b 100%);
    box-shadow: 0 4px 16px rgba(255, 59, 48, 0.4), 0 8px 32px rgba(0, 0, 0, 0.3);
}

.floating-admin-btn.logout:hover {
    box-shadow: 0 6px 24px rgba(255, 59, 48, 0.6), 0 12px 48px rgba(0, 0, 0, 0.4);
}

.floating-admin-btn svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--card-border);
    padding: 12px 24px;
}

.btn-outline:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-share {
    background: var(--success-gradient);
    color: white;
    padding: 12px 24px;
}

.btn-share:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 20px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--card-border);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

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

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

.modal-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: var(--card-bg);
    color: var(--text-primary);
}

/* Form */
form {
    padding: 30px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--card-border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
}

.form-group select {
    background: rgba(255, 255, 255, 0.12);
    cursor: pointer;
}

.form-group select option {
    background: #1a1a2e;
    color: #ffffff;
    padding: 10px;
}


.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.linkedin-input-wrapper {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--card-border);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.linkedin-input-wrapper:focus-within {
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.linkedin-prefix {
    padding: 14px 0 14px 16px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    white-space: nowrap;
    user-select: none;
}

.linkedin-input-wrapper input {
    flex: 1;
    border: none !important;
    background: transparent !important;
    padding: 14px 16px 14px 0 !important;
    box-shadow: none !important;
}

.linkedin-input-wrapper input:focus {
    box-shadow: none !important;
}


.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 30px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--success-gradient);
    color: white;
    padding: 16px 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    transition: bottom 0.4s ease;
    font-weight: 600;
}

.toast.show {
    bottom: 30px;
}

/* Categories Section */
.categories-section {
    padding: 80px 20px;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 60px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.category-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.category-card:hover .category-icon {
    animation: none;
    transform: scale(1.2);
    transition: transform 0.3s ease;
}

.category-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.category-card p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.profile-count {
    font-size: 1.1rem;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 20px;
}

.profile-count span {
    font-size: 1.5rem;
    font-weight: 800;
}

/* Domains Section */
.domains-section {
    padding: 80px 20px;
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.03) 0%, transparent 100%);
}

.domains-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.domain-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 28px 20px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.domain-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--secondary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.domain-card:hover::before {
    transform: scaleX(1);
}

.domain-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.domain-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    transition: transform 0.3s ease;
}

.domain-card:hover .domain-icon {
    transform: scale(1.15) rotate(5deg);
}

.domain-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.domain-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.profile-domain {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(102, 126, 234, 0.15);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: 6px;
    color: #667eea;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 8px;
}

.profile-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.profile-country {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(240, 147, 251, 0.15);
    border: 1px solid rgba(240, 147, 251, 0.3);
    border-radius: 6px;
    color: #f093fb;
    font-size: 0.85rem;
    font-weight: 600;
}



/* Profiles View */
.profiles-view {
    min-height: 100vh;
    padding: 40px 20px 80px;
}

.profiles-view.hidden {
    display: none;
}

.view-header {
    margin-bottom: 40px;
}

.back-btn {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(-4px);
}

.view-title-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.view-title-section h2 {
    font-size: 2rem;
    font-weight: 800;
}

.profiles-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
}

.profile-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.5s ease-out;
    position: relative;
}

.delete-profile-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255, 59, 48, 0.1);
    border: 1px solid rgba(255, 59, 48, 0.3);
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ff3b30;
    z-index: 10;
}

.delete-profile-btn:hover {
    background: rgba(255, 59, 48, 0.2);
    border-color: rgba(255, 59, 48, 0.5);
    transform: scale(1.1);
}

.delete-profile-btn:active {
    transform: scale(0.95);
}


.profile-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.08);
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.profile-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.profile-info h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.profile-title {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.profile-company {
    color: #667eea;
    font-size: 0.9rem;
    font-weight: 600;
}

.profile-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #0077b5;
    text-decoration: none;
    font-weight: 600;
    padding: 10px 16px;
    background: rgba(0, 119, 181, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
    margin-top: 12px;
}

.profile-link:hover {
    background: rgba(0, 119, 181, 0.2);
    transform: translateX(4px);
}

.profile-phone-hidden {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(255, 215, 0, 0.08);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    margin-top: 12px;
    letter-spacing: 1px;
}

.premium-badge {
    display: inline-block;
    padding: 4px 10px;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #1a1a2e;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}


.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state svg {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

/* Footer */
.footer {
    background: var(--card-bg);
    border-top: 1px solid var(--card-border);
    padding: 30px 20px;
    text-align: center;
    color: var(--text-secondary);
}

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .action-buttons {
        flex-direction: column;
        width: 100%;
    }

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

    .section-title {
        font-size: 2rem;
    }

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

    .profiles-list {
        grid-template-columns: 1fr;
    }

    .view-title-section {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}