/* ==================== Modern Color Palette ==================== */
:root {
    /* Neon Colors */
    --neon-pink: #ff2d75;
    --neon-blue: #00d4ff;
    --neon-purple: #9d4edd;
    --neon-green: #00ff87;
    --neon-yellow: #f5b700;
    --neon-orange: #ff6d00;
    
    /* Gradients */
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --gradient-neon: linear-gradient(45deg, var(--neon-pink), var(--neon-blue));
    --gradient-success: linear-gradient(135deg, #00b09b, #96c93d);
    --gradient-danger: linear-gradient(135deg, #ff416c, #ff4b2b);
    
    /* Glassmorphism Colors */
    --glass-white: rgba(255, 255, 255, 0.95);
    --glass-dark: rgba(0, 0, 0, 0.85);
    --glass-blur: blur(10px);
    
    /* Light Mode */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
}

/* ==================== Animated Background ==================== */
.animated-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-sphere {
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 20s infinite;
}

.sphere-1 {
    background: var(--neon-pink);
    top: -250px;
    left: -250px;
    animation-delay: 0s;
}

.sphere-2 {
    background: var(--neon-blue);
    bottom: -250px;
    right: -250px;
    animation-delay: 5s;
}

.sphere-3 {
    background: var(--neon-purple);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* ==================== Modern Login Page ==================== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    position: relative;
}

.login-card {
    background: var(--glass-white);
    backdrop-filter: var(--glass-blur);
    border-radius: 2rem;
    padding: 2.5rem;
    width: 100%;
    max-width: 450px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: fadeInUp 0.8s ease;
}

[data-theme="dark"] .login-card {
    background: var(--glass-dark);
}

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

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo-wrapper {
    width: 80px;
    height: 80px;
    background: var(--gradient-neon);
    border-radius: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4); }
    50% { box-shadow: 0 0 0 20px rgba(0, 212, 255, 0); }
}

.logo-wrapper i {
    font-size: 2.5rem;
    color: white;
}

.login-title {
    font-size: 1.875rem;
    font-weight: 800;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Modern Input Fields */
.input-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--neon-blue);
    font-size: 1.2rem;
}

.modern-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--border);
    border-radius: 1rem;
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.3s;
}

.modern-input:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.modern-input:focus + .input-icon {
    color: var(--neon-pink);
}

/* Neon Button */
.neon-btn {
    width: 100%;
    padding: 1rem;
    background: var(--gradient-neon);
    border: none;
    border-radius: 1rem;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
}

.neon-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s;
}

.neon-btn:hover::before {
    left: 100%;
}

.neon-btn:active {
    transform: scale(0.98);
}

/* ==================== Modern Dashboard Cards ==================== */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.modern-card {
    background: var(--bg-secondary);
    border-radius: 1.5rem;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    border: 1px solid var(--border);
}

.modern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.2);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-neon);
}

.card-header-modern {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(255,45,117,0.1));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-icon i {
    font-size: 1.5rem;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.card-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0.5rem 0;
}

.card-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ==================== Gradient Tables ==================== */
.modern-table-container {
    overflow-x: auto;
    border-radius: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

.modern-table {
    width: 100%;
    border-collapse: collapse;
}

.modern-table th {
    padding: 1rem;
    text-align: left;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    color: white;
    font-weight: 600;
}

.modern-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

.modern-table tr:hover {
    background: rgba(0, 212, 255, 0.05);
}

/* ==================== Modern Modal ==================== */
.modern-modal {
    background: var(--bg-secondary);
    border-radius: 2rem;
    max-width: 500px;
    width: 90%;
    margin: 2rem auto;
    position: relative;
    animation: modalSlideIn 0.3s ease;
}

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

.modal-header-modern {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
    border-radius: 2rem 2rem 0 0;
    color: white;
}

.modal-body-modern {
    padding: 1.5rem;
}

/* ==================== Floating Action Button ==================== */
.fab-modern {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: var(--gradient-neon);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
    transition: all 0.3s;
    z-index: 100;
}

.fab-modern:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(0, 212, 255, 0.6);
}

.fab-modern i {
    color: white;
    font-size: 1.5rem;
}

/* ==================== Bottom Navigation Modern ==================== */
.bottom-nav-modern {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--glass-white);
    backdrop-filter: var(--glass-blur);
    border-top: 1px solid var(--border);
    padding: 0.5rem 0;
    z-index: 1000;
}

[data-theme="dark"] .bottom-nav-modern {
    background: var(--glass-dark);
}

.nav-items {
    display: flex;
    justify-content: space-around;
    max-width: 500px;
    margin: 0 auto;
}

.nav-link-modern {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem;
    border-radius: 1rem;
    transition: all 0.3s;
    color: var(--text-secondary);
}

.nav-link-modern.active {
    color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.1);
}

.nav-link-modern i {
    font-size: 1.25rem;
}

.nav-link-modern span {
    font-size: 0.7rem;
    font-weight: 500;
}

/* ==================== Toast Notifications ==================== */
.toast-modern {
    position: fixed;
    bottom: 80px;
    left: 1rem;
    right: 1rem;
    background: var(--bg-secondary);
    border-radius: 1rem;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    border-left: 4px solid var(--neon-blue);
    animation: slideInLeft 0.3s ease;
    z-index: 2000;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==================== Loading Spinner Modern ==================== */
.spinner-modern {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(0, 212, 255, 0.1);
    border-top-color: var(--neon-blue);
    border-right-color: var(--neon-pink);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}