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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 50%, #0f0f0f 100%);
    color: #ffffff;
    min-height: 100vh;
    line-height: 1.6;
}

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

/* Header Styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 20px 30px;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo i {
    font-size: 2.5rem;
    color: #00d4ff;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ff6b6b;
    animation: pulse 2s infinite;
}

.status-dot.connected {
    background: #51cf66;
}

.status-dot.checking {
    background: #ffd43b;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* Main Content */
.main-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

/* Section Styles */
.key-management-section, .key-section, .info-section, .stats-section {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(0, 212, 255, 0.3);
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 0;
    font-size: 1.4rem;
    font-weight: 600;
    color: #00d4ff;
}

.section-header i {
    font-size: 1.2rem;
    color: #00d4ff;
}

/* Add Key Button */
.add-key-btn {
    padding: 12px 20px;
    background: linear-gradient(45deg, #51cf66, #40c057);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.add-key-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(81, 207, 102, 0.4);
}

/* Key Form Styles */
.key-form {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 25px;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.form-header h3 {
    color: #00d4ff;
    font-size: 1.2rem;
    margin: 0;
}

.close-form-btn {
    background: none;
    border: none;
    color: #adb5bd;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-form-btn:hover {
    color: #ffffff;
}

.form-content {
    padding: 25px;
}

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

.form-content textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: #ffffff;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: all 0.3s ease;
}

.form-content textarea:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    background: rgba(0, 0, 0, 0.5);
}

.form-content textarea::placeholder {
    color: #6c757d;
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 25px;
}

.save-btn {
    padding: 12px 25px;
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.save-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

.cancel-btn {
    padding: 12px 25px;
    background: rgba(255, 107, 107, 0.2);
    border: 1px solid #ff6b6b;
    border-radius: 8px;
    color: #ff6b6b;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cancel-btn:hover {
    background: #ff6b6b;
    color: #ffffff;
    transform: translateY(-2px);
}

/* Keys List Styles */
.keys-list {
    margin-top: 25px;
}

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

.list-header h3 {
    color: #e9ecef;
    font-size: 1.1rem;
    margin: 0;
}

.list-controls {
    display: flex;
    gap: 15px;
    align-items: center;
}

.search-input {
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.9rem;
    width: 200px;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.search-input::placeholder {
    color: #6c757d;
}

.filter-select {
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-select:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
}

.filter-select option {
    background: #1a1a1a;
    color: #ffffff;
}

/* Keys Grid */
.keys-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.key-card {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    transition: all 0.3s ease;
    position: relative;
}

.key-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 212, 255, 0.3);
}

.key-card.expired {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
}

.key-card.active {
    border-color: #51cf66;
    background: rgba(81, 207, 102, 0.1);
}

.key-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.key-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #e9ecef;
    margin: 0;
}

.key-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.key-status.active {
    background: rgba(81, 207, 102, 0.2);
    color: #51cf66;
    border: 1px solid #51cf66;
}

.key-status.expired {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
    border: 1px solid #ff6b6b;
}

.key-value {
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    color: #00d4ff;
    background: rgba(0, 0, 0, 0.5);
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 15px;
    word-break: break-all;
}

.key-description {
    color: #adb5bd;
    font-size: 0.9rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.key-expiry {
    color: #6c757d;
    font-size: 0.8rem;
    margin-bottom: 15px;
}

.key-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.key-action-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.edit-btn {
    background: rgba(0, 212, 255, 0.2);
    color: #00d4ff;
    border: 1px solid #00d4ff;
}

.edit-btn:hover {
    background: #00d4ff;
    color: #ffffff;
}

.delete-btn {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
    border: 1px solid #ff6b6b;
}

.delete-btn:hover {
    background: #ff6b6b;
    color: #ffffff;
}

.copy-btn {
    background: rgba(255, 193, 7, 0.2);
    color: #ffc107;
    border: 1px solid #ffc107;
}

.copy-btn:hover {
    background: #ffc107;
    color: #000000;
}

/* Input Styles */
.input-group {
    margin-bottom: 25px;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #e9ecef;
}

.input-wrapper {
    display: flex;
    gap: 15px;
    align-items: center;
}

.input-wrapper input {
    flex: 1;
    padding: 15px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.input-wrapper input:focus {
    outline: none;
    border-color: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    background: rgba(0, 0, 0, 0.5);
}

.input-wrapper input::placeholder {
    color: #6c757d;
}

.verify-btn {
    padding: 15px 25px;
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    border: none;
    border-radius: 10px;
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
}

.verify-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

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

.verify-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Result Section */
.result-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.result-card.success {
    border-color: #51cf66;
    background: rgba(81, 207, 102, 0.1);
}

.result-card.error {
    border-color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
}

.result-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.result-icon.success {
    background: #51cf66;
    color: #ffffff;
}

.result-icon.error {
    background: #ff6b6b;
    color: #ffffff;
}

.result-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.result-content p {
    color: #adb5bd;
    margin-bottom: 15px;
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: #e9ecef;
}

.detail-value {
    color: #00d4ff;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.info-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #ffffff;
}

.info-content h3 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: #e9ecef;
}

.info-content p {
    color: #adb5bd;
    font-size: 0.9rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 10px;
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.stat-label {
    color: #adb5bd;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Footer */
.footer {
    margin-top: 40px;
    padding: 25px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer p {
    color: #adb5bd;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: #00d4ff;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.loading-overlay.show {
    display: flex;
}

.loading-spinner {
    text-align: center;
    color: #ffffff;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-left: 4px solid #00d4ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h2 {
    color: #00d4ff;
    font-size: 1.3rem;
}

.close-btn {
    background: none;
    border: none;
    color: #adb5bd;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-btn:hover {
    color: #ffffff;
}

.modal-body {
    padding: 25px;
}

.modal-body h3 {
    color: #e9ecef;
    margin-bottom: 15px;
}

.modal-body ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

.modal-body li {
    margin-bottom: 8px;
    color: #adb5bd;
}

.faq-item {
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.faq-item strong {
    color: #00d4ff;
    display: block;
    margin-bottom: 8px;
}

.faq-item p {
    color: #adb5bd;
    margin: 0;
}

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

.about-logo {
    font-size: 3rem;
    color: #00d4ff;
    margin-bottom: 20px;
}

.about-content h3 {
    color: #e9ecef;
    margin-bottom: 15px;
}

.about-content p {
    color: #adb5bd;
    margin-bottom: 20px;
}

.version-info {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.version-info p {
    margin-bottom: 8px;
    color: #adb5bd;
}

.version-info p:last-child {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .input-wrapper {
        flex-direction: column;
    }
    
    .verify-btn {
        width: 100%;
        justify-content: center;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
    }
}

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

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 212, 255, 0.5);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 212, 255, 0.7);
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

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