/* Dark Minimalistic Theme - 10-80-10 Layout */

:root {
    /* Dark Theme Colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: #1e1e1e;
    --bg-input: #252525;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    --text-accent: #64ffda;
    
    /* Accent Colors */
    --accent-primary: #64ffda;
    --accent-secondary: #bb86fc;
    --accent-success: #4caf50;
    --accent-danger: #f44336;
    --accent-warning: #ff9800;
    
    /* Shadows & Effects */
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.5);
    --blur-amount: 10px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    font-family: var(--font-family);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 15-70-15 Layout Structure */
.main-layout {
    display: grid;
    grid-template-columns: 15% 70% 15%;
    min-height: 100vh;
    gap: 0;
}

.side-blur {
    backdrop-filter: blur(var(--blur-amount));
    background: linear-gradient(45deg, 
        rgba(100, 255, 218, 0.03) 0%, 
        rgba(187, 134, 252, 0.03) 50%, 
        rgba(100, 255, 218, 0.03) 100%);
    position: relative;
    overflow: hidden;
}

.side-blur::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(100, 255, 218, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(187, 134, 252, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.main-content {
    background: var(--bg-secondary);
    position: relative;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navigation - Minimalistic */
.navbar {
    background: var(--bg-tertiary) !important;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    backdrop-filter: blur(20px);
    padding: 1rem 0;
}

.navbar-brand {
    color: var(--accent-primary) !important;
    font-weight: 600;
    font-size: 1.4rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-brand:hover {
    color: var(--accent-secondary) !important;
    transform: translateY(-1px);
}

.navbar-brand i {
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.5rem;
}

.brand-content {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-title {
    font-weight: 600;
    font-size: 1.4rem;
}

.brand-subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* Authentication Section - Centered & Elegant */
.auth-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    background: 
        radial-gradient(circle at 30% 30%, rgba(100, 255, 218, 0.05) 0%, transparent 70%),
        radial-gradient(circle at 70% 70%, rgba(187, 134, 252, 0.05) 0%, transparent 70%);
}

.auth-footer {
    position: fixed;
    bottom: 0;
    left: 15%;
    right: 15%;
    padding: 1rem;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    background: var(--bg-tertiary);
    backdrop-filter: blur(20px);
    z-index: 10;
}

.auth-card {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    padding: 3rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-heavy);
    border: 1px solid rgba(100, 255, 218, 0.1);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.auth-icon {
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

/* Form Styling */
.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-control {
    background: var(--bg-input) !important;
    border: 1px solid rgba(100, 255, 218, 0.2) !important;
    color: var(--text-primary) !important;
    border-radius: 8px !important;
    padding: 0.75rem 1rem !important;
    transition: var(--transition) !important;
    font-size: 0.95rem !important;
}

.form-control:focus {
    background: var(--bg-input) !important;
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 2px rgba(100, 255, 218, 0.2) !important;
    color: var(--text-primary) !important;
}

.form-control::placeholder {
    color: var(--text-muted) !important;
}

/* Buttons - Gradient & Minimalistic */
.btn {
    border-radius: 8px !important;
    font-weight: 500 !important;
    padding: 0.75rem 1.5rem !important;
    transition: var(--transition) !important;
    border: none !important;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary)) !important;
    color: var(--bg-primary) !important;
    font-weight: 600 !important;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    filter: brightness(1.1);
}

.btn-outline-light {
    background: transparent !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    color: var(--text-primary) !important;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    border-color: var(--accent-primary) !important;
    color: var(--accent-primary) !important;
}

.btn-outline-primary {
    background: transparent !important;
    border: 1px solid var(--accent-primary) !important;
    color: var(--accent-primary) !important;
}

.btn-outline-primary:hover {
    background: var(--accent-primary) !important;
    color: var(--bg-primary) !important;
}

.btn-outline-danger {
    background: transparent !important;
    border: 1px solid var(--accent-danger) !important;
    color: var(--accent-danger) !important;
}

.btn-outline-danger:hover {
    background: var(--accent-danger) !important;
    color: white !important;
}

/* Dashboard - Clean & Modern */
.dashboard-section {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* User Actions Row */
.user-actions-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 0 1rem;
}

.user-info-card {
    background: linear-gradient(135deg, 
        rgba(100, 255, 218, 0.1) 0%, 
        rgba(187, 134, 252, 0.1) 100%);
    border: 1px solid rgba(100, 255, 218, 0.2);
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
    max-width: 400px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 1rem;
    flex-shrink: 0;
}

.user-details h6 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.user-details small {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.contact-stats {
    text-align: center;
    margin-left: auto;
}

.contact-stats h5 {
    color: var(--accent-primary);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.contact-stats small {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.action-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Search Section */
.search-section {
    margin-bottom: 2rem;
    padding: 0 1rem;
}

.search-input-wrapper {
    position: relative;
    max-width: 500px;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 2;
}

.search-input {
    background: var(--bg-input) !important;
    border: 1px solid rgba(100, 255, 218, 0.2) !important;
    border-radius: var(--border-radius) !important;
    color: var(--text-primary) !important;
    padding: 0.75rem 1rem 0.75rem 3rem !important;
    font-size: 0.95rem;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 0.2rem rgba(100, 255, 218, 0.1) !important;
    background: var(--bg-secondary) !important;
}

.search-input::placeholder {
    color: var(--text-muted);
}

/* Footer Section */
.app-footer {
    margin-top: auto;
    padding: 2rem 1rem 1rem;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    background: linear-gradient(135deg, 
        rgba(100, 255, 218, 0.05) 0%, 
        rgba(187, 134, 252, 0.05) 100%);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 100%;
    gap: 1rem;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.heart {
    color: #ff4757;
    animation: heartbeat 1.5s ease-in-out infinite;
    font-size: 1rem;
}

.author {
    color: var(--accent-primary);
    font-weight: 600;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid rgba(100, 255, 218, 0.2);
    color: var(--text-secondary);
    font-size: 1.2rem;
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.footer-link:hover {
    transform: translateY(-2px);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 4px 20px rgba(100, 255, 218, 0.2);
}

.footer-link i {
    transition: var(--transition);
}

.footer-link:hover i {
    transform: scale(1.1);
}

/* Heartbeat Animation */
@keyframes heartbeat {
    0%, 50%, 100% {
        transform: scale(1);
    }
    25%, 75% {
        transform: scale(1.1);
    }
}

/* Contact Cards - Glassmorphism Effect */
.contact-card {
    background: var(--bg-card);
    border: 1px solid rgba(100, 255, 218, 0.1);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(100, 255, 218, 0.5), 
        transparent);
    opacity: 0;
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--accent-primary);
}

.contact-card:hover::before {
    opacity: 1;
}

.contact-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-primary);
    font-weight: 600;
    font-size: 1.2rem;
    margin-right: 1rem;
}

.contact-info h6 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-info small {
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.25rem;
}

/* Search Input */
.input-group-text {
    background: var(--bg-input) !important;
    border: 1px solid rgba(100, 255, 218, 0.2) !important;
    color: var(--text-secondary) !important;
}

/* Modal - Dark Theme */
.modal-content {
    background: var(--bg-card) !important;
    border: 1px solid rgba(100, 255, 218, 0.2) !important;
    border-radius: var(--border-radius) !important;
    backdrop-filter: blur(20px);
}

.modal-header {
    border-bottom: 1px solid rgba(100, 255, 218, 0.1) !important;
    background: linear-gradient(135deg, 
        rgba(100, 255, 218, 0.05) 0%, 
        rgba(187, 134, 252, 0.05) 100%);
}

.modal-title {
    color: var(--text-primary) !important;
    font-weight: 600;
}

.btn-close {
    filter: invert(1);
}

.modal-footer {
    border-top: 1px solid rgba(100, 255, 218, 0.1) !important;
}

/* Toast Notifications */
.toast {
    background: var(--bg-card) !important;
    border: 1px solid rgba(100, 255, 218, 0.2) !important;
    color: var(--text-primary) !important;
    backdrop-filter: blur(20px);
}

.toast-success {
    border-left: 4px solid var(--accent-success) !important;
}

.toast-error {
    border-left: 4px solid var(--accent-danger) !important;
}

.toast-info {
    border-left: 4px solid var(--accent-primary) !important;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
    display: block;
}

.empty-state h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Loading Spinner */
.spinner-border {
    color: var(--accent-primary) !important;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-layout {
        grid-template-columns: 10% 80% 10%;
    }
}

@media (max-width: 992px) {
    .main-layout {
        grid-template-columns: 5% 90% 5%;
    }
    
    .navbar .container-fluid {
        padding: 0 1rem;
    }
    
    .brand-subtitle {
        display: none;
    }
    
    .user-actions-row {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .user-info-card {
        max-width: none;
    }
    
    .action-buttons {
        justify-content: center;
    }
    
    .contacts-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 768px) {
    .main-layout {
        grid-template-columns: 2% 96% 2%;
    }
    
    .auth-card {
        padding: 2rem;
        margin: 1rem;
    }
    
    .dashboard-section {
        padding: 0.5rem;
    }
    
    .user-actions-row {
        padding: 0 0.5rem;
        flex-direction: column;
        gap: 1rem;
    }
    
    .user-info-card {
        padding: 1rem;
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }
    
    .contact-stats {
        margin-left: 0;
    }
    
    .action-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .search-section {
        padding: 0 0.5rem;
    }
    
    .contacts-grid {
        grid-template-columns: 1fr;
        padding: 0 0.5rem;
    }
    
    .brand-content {
        display: none;
    }
    
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .footer-text {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .main-layout {
        grid-template-columns: 0% 100% 0%;
    }
    
    .side-blur {
        display: none;
    }
    
    .main-content {
        padding: 0 0.5rem;
    }
    
    .auth-card {
        padding: 1.5rem;
        margin: 0.5rem;
    }
    
    .user-info-card {
        padding: 1rem;
    }
    
    .contact-card {
        padding: 1rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .auth-footer {
        left: 0;
        right: 0;
        padding: 0.75rem;
    }
    
    .footer-text {
        font-size: 0.8rem;
    }
    
    .footer-link {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.slide-up {
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Glow Effects */
.glow-accent {
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.3);
}

.glow-secondary {
    box-shadow: 0 0 20px rgba(187, 134, 252, 0.3);
}