/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #000;
    color: #fff;
    line-height: 1.6;
    min-height: 100vh;
}

/* Navigation */
.navbar {
    background: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid #333;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.8rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

/* Main Container */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Phone Display */
.phone-display-container {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.phone-frame {
    width: 350px;
    height: 700px;
    background: #111;
    border-radius: 40px;
    padding: 20px;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.5),
        inset 0 0 20px rgba(255, 255, 255, 0.05);
    position: relative;
    border: 1px solid #333;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 20px;
    background: #000;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
}

.phone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
}

.phone-time {
    opacity: 0.8;
}

.phone-title {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

.phone-screen {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 25px;
    height: calc(100% - 50px);
    overflow: hidden;
    position: relative;
    padding: 20px;
}

/* Profile Carousel */
.profile-carousel {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.carousel-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 25px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    width: 100%;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.profile-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #667eea;
    margin: 0 auto 15px;
}

.profile-name {
    font-size: 1.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.profile-bio {
    color: #aaa;
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.profile-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(102, 126, 234, 0.2);
    color: #667eea;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
}

.profile-stats {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.stat {
    text-align: center;
}

.stat .value {
    font-size: 1.2rem;
    font-weight: bold;
    color: #fff;
}

.stat .label {
    font-size: 0.8rem;
    color: #888;
}

.call-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    transition: transform 0.3s, box-shadow 0.3s;
}

.call-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.carousel-nav {
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
}

.carousel-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.carousel-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Incoming Call */
.incoming-call {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.call-alert {
    text-align: center;
    padding: 30px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.ringing-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
    animation: ring 1s infinite;
}

@keyframes ring {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(15deg); }
    75% { transform: rotate(-15deg); }
}

.call-info {
    display: flex;
    justify-content: space-between;
    margin: 20px 0;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.call-timer {
    color: #ff6b6b;
    font-weight: bold;
}

.call-earnings {
    color: #4ecdc4;
    font-weight: bold;
}

.call-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.accept-btn, .decline-btn {
    padding: 12px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: transform 0.3s;
}

.accept-btn {
    background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
    color: white;
}

.decline-btn {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
    color: white;
}

.accept-btn:hover, .decline-btn:hover {
    transform: translateY(-2px);
}

/* Active Call */
.active-call {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 30px;
    animation: fadeIn 0.3s ease-out;
}

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

.call-timer {
    font-size: 2.5rem;
    font-weight: bold;
    color: #fff;
    margin-top: 10px;
}

.call-participants {
    display: flex;
    justify-content: space-around;
    margin: 40px 0;
}

.participant {
    text-align: center;
}

.mic-indicator {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 10px;
    border: 2px solid #667eea;
}

.call-controls {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.control-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

.end-call {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
}

/* Profiles Grid */
.profiles-grid-section {
    margin-bottom: 3rem;
}

.profiles-grid-section h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.grid-profile-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.grid-profile-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.2);
}

.grid-profile-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.grid-profile-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #667eea;
}

.grid-profile-info h4 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.grid-profile-info .rating {
    color: #ffd700;
    font-size: 0.9rem;
}

.grid-profile-bio {
    color: #aaa;
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.grid-profile-tags {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.grid-call-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    transition: transform 0.3s;
}

.grid-call-btn:hover {
    transform: translateY(-2px);
}

/* Purchase Section */
.purchase-section {
    text-align: center;
    max-width: 500px;
    margin: 0 auto 3rem;
}

.purchase-section h2 {
    margin-bottom: 1rem;
    font-size: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.purchase-section p {
    color: #aaa;
    margin-bottom: 2rem;
}

.coin-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.coin-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.coin-header i {
    font-size: 2.5rem;
    color: #ffd700;
}

.coin-price {
    font-size: 3rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 20px;
}

.coin-details {
    text-align: left;
    margin-bottom: 30px;
}

.coin-details p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    color: #fff;
}

.coin-details i {
    color: #4ecdc4;
}

.purchase-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 1.1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.purchase-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: #111;
    border-radius: 20px;
    border: 1px solid #333;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid #333;
}

.modal-header h3 {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.close-modal {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.close-modal:hover {
    opacity: 1;
}

.modal-body {
    padding: 20px;
}

/* Auth Modal */
.auth-modal .modal-body {
    padding: 30px;
}

.auth-tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 1px solid #333;
}

.tab-btn {
    flex: 1;
    padding: 15px;
    background: none;
    border: none;
    color: #aaa;
    font-size: 1rem;
    cursor: pointer;
    transition: color 0.3s;
    position: relative;
}

.tab-btn.active {
    color: #667eea;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: #667eea;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

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

.form-group input {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #333;
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.checkbox-label input {
    width: auto;
}

.auth-submit-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    transition: transform 0.3s;
}

.auth-submit-btn:hover {
    transform: translateY(-2px);
}

/* Dashboard Modal */
.dashboard-modal {
    max-width: 600px;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    border: 1px solid #333;
}

.stat-card h4 {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 10px;
}

.stat-card p {
    font-size: 1.5rem;
    font-weight: bold;
    color: #fff;
}

.dashboard-section {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #333;
}

.dashboard-section:last-child {
    border-bottom: none;
}

.dashboard-section h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: #fff;
}

.dashboard-section .form-group {
    margin-bottom: 15px;
}

.dashboard-section label {
    display: block;
    margin-bottom: 5px;
    color: #aaa;
    font-size: 0.9rem;
}

.dashboard-section textarea {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #333;
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    resize: vertical;
    min-height: 100px;
}

.dashboard-section select {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid #333;
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
}

.save-btn, .logout-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 10px;
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    transition: transform 0.3s;
}

.save-btn:hover, .logout-btn:hover {
    transform: translateY(-2px);
}

.small-btn {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 5px;
    font-size: 0.9rem;
    cursor: pointer;
    margin-top: 10px;
}

.profile-pic-upload {
    display: flex;
    align-items: center;
    gap: 20px;
}

#profile-pic-preview {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #667eea;
}

.upload-controls {
    flex: 1;
}

.upload-btn {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 1px solid #333;
    padding: 10px 20px;
    border-radius: 10px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.3s;
}

.upload-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.upload-note {
    font-size: 0.8rem;
    color: #aaa;
    margin-top: 5px;
}

.logout-btn {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
}

/* Responsive Design */
@media (max-width: 768px) {
    .phone-frame {
        width: 300px;
        height: 600px;
    }
    
    .profiles-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .carousel-nav {
        padding: 0 10px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 1rem;
    }
    
    .main-container {
        padding: 1rem;
    }
    
    .phone-frame {
        width: 280px;
        height: 550px;
        padding: 15px;
    }
    
    .call-controls {
        gap: 15px;
    }
    
    .control-btn {
        width: 50px;
        height: 50px;
    }
}

/* Loading States */
.loading {
    opacity: 0.5;
    pointer-events: none;
}

/* Error States */
.error-message {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid #ff6b6b;
    color: #ff6b6b;
    padding: 15px;
    border-radius: 10px;
    margin: 10px 0;
    text-align: center;
}

/* Success States */
.success-message {
    background: rgba(78, 205, 196, 0.1);
    border: 1px solid #4ecdc4;
    color: #4ecdc4;
    padding: 15px;
    border-radius: 10px;
    margin: 10px 0;
    text-align: center;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #764ba2;
}