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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    color: #e2e8f0;
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.navbar {
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #6366f1;
}

.nav-brand i {
    font-size: 1.8rem;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-buttons {
    display: flex;
    gap: 0.5rem;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #6366f1;
}

/* Language Selector */
#language-select {
    background: rgba(30, 30, 60, 0.8);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #e2e8f0;
    padding: 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
}

#language-select:focus {
    outline: none;
    border-color: #6366f1;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-outline {
    background: transparent;
    color: #e2e8f0;
    border: 1px solid rgba(226, 232, 240, 0.3);
}

.btn-outline:hover {
    background: rgba(226, 232, 240, 0.1);
    border-color: #6366f1;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

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

/* Welcome Section */
.welcome-section {
    padding: 6rem 0;
    text-align: center;
}

.welcome-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.welcome-description {
    font-size: 1.25rem;
    color: #94a3b8;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Dashboard Section */
.dashboard-section, .public-pastes-section {
    padding: 3rem 0;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.dashboard-header h2 {
    font-size: 2rem;
    font-weight: 700;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.tab-btn {
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    font-weight: 500;
}

.tab-btn.active {
    color: #6366f1;
    border-bottom-color: #6366f1;
}

.tab-btn:hover {
    color: #e2e8f0;
}

/* Pastes Grid */
.pastes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.paste-card {
    background: rgba(30, 30, 60, 0.6);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 1rem;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.paste-card:hover {
    transform: translateY(-4px);
    border-color: #6366f1;
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

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

.paste-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 0.25rem;
}

.paste-target {
    color: #6366f1;
    font-size: 0.875rem;
    font-weight: 500;
}

.paste-content-preview {
    color: #94a3b8;
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.paste-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: #64748b;
}

.paste-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.author-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

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

.modal-content {
    background: rgba(30, 30, 60, 0.95);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 1rem;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    backdrop-filter: blur(20px);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #e2e8f0;
}

.modal-close {
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 0.25rem;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: #e2e8f0;
}

.modal-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: #94a3b8;
    font-size: 0.875rem;
}

.modal-footer a {
    color: #6366f1;
    text-decoration: none;
    font-weight: 500;
}

.modal-footer a:hover {
    text-decoration: underline;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #e2e8f0;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    background: rgba(15, 15, 35, 0.8);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 0.5rem;
    color: #e2e8f0;
    font-size: 0.875rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

/* Paste Details */
.paste-details {
    color: #e2e8f0;
}

.paste-meta {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.paste-author-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.paste-author-info .author-avatar {
    width: 40px;
    height: 40px;
}

.author-name {
    font-weight: 600;
    color: #e2e8f0;
}

.paste-date {
    font-size: 0.875rem;
    color: #94a3b8;
}

.paste-details h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #e2e8f0;
}

.paste-target-info {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 0.5rem;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.paste-target-info label {
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 0.5rem;
    display: block;
}

.paste-target-link {
    font-size: 1.125rem;
    font-weight: 500;
}

.paste-target-link a {
    color: #6366f1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.paste-target-link a:hover {
    color: #8b5cf6;
    text-decoration: underline;
}

.paste-content-full {
    background: rgba(15, 15, 35, 0.6);
    padding: 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(99, 102, 241, 0.2);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    white-space: pre-wrap;
    color: #e2e8f0;
}

.paste-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Loading Spinner */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(99, 102, 241, 0.3);
    border-top: 4px solid #6366f1;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: rgba(30, 30, 60, 0.95);
    color: #e2e8f0;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(99, 102, 241, 0.3);
    backdrop-filter: blur(10px);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 3000;
    max-width: 300px;
}

.toast.show {
    transform: translateX(0);
}

.toast.success {
    border-color: rgba(34, 197, 94, 0.5);
    background: rgba(34, 197, 94, 0.1);
}

.toast.error {
    border-color: rgba(239, 68, 68, 0.5);
    background: rgba(239, 68, 68, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-controls {
        width: 100%;
        justify-content: space-between;
    }
    
    .welcome-title {
        font-size: 2.5rem;
    }
    
    .welcome-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .pastes-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        margin: 1rem;
        width: calc(100% - 2rem);
    }
    
    .paste-actions {
        flex-direction: column;
    }
    
    .tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        text-align: left;
        border-bottom: none;
        border-left: 2px solid transparent;
        padding-left: 1rem;
    }
    
    .tab-btn.active {
        border-left-color: #6366f1;
        border-bottom-color: transparent;
    }
}

@media (max-width: 480px) {
    .welcome-title {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 0.5rem;
    }
    
    .modal-content {
        padding: 1.5rem;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }
}