/* common.css - Modern UI with gradients and animations */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Modern Color Palette with Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-danger: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);
    --gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-info: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);

    /* Solid colors */
    --color-primary: #667eea;
    --color-primary-dark: #5568d3;
    --color-success: #11998e;
    --color-danger: #eb3349;
    --color-warning: #f093fb;
    --color-info: #4facfe;
    --color-dark: #1a1a2e;
    --color-light: #f8f9fa;

    /* Background */
    --bg-main: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
    --bg-white: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.9);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows - Enhanced */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.12);
    --shadow-colored: 0 8px 32px rgba(102, 126, 234, 0.25);

    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Bootstrap Overrides */
    --bs-primary: #667eea;
    --bs-primary-rgb: 102, 126, 234;
    --bs-body-bg: #f8f9fa;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-main);
    color: var(--color-dark);
    line-height: 1.7;
    font-size: 15px;
    font-weight: 400;
}

/* Utility classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    transition: var(--transition-normal);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Buttons - Modern with gradients */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

.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: var(--transition-normal);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.btn-success {
    background: var(--gradient-success);
    color: white;
    box-shadow: 0 4px 15px rgba(17, 153, 142, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(17, 153, 142, 0.6);
}

.btn-danger {
    background: var(--gradient-danger);
    color: white;
    box-shadow: 0 4px 15px rgba(235, 51, 73, 0.4);
}

.btn-warning {
    background: var(--gradient-warning);
    color: white;
    box-shadow: 0 4px 15px rgba(240, 147, 251, 0.4);
}

.btn-secondary {
    background: linear-gradient(135deg, #868CFF 0%, #6C5DD3 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(108, 93, 211, 0.4);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 13px;
}

/* Alerts - Modern with gradients */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    border: none;
    box-shadow: var(--shadow-sm);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: linear-gradient(135deg, rgba(17, 153, 142, 0.1) 0%, rgba(56, 239, 125, 0.1) 100%);
    color: #0f5132;
    border-left: 4px solid var(--color-success);
}

.alert-error,
.alert-danger {
    background: linear-gradient(135deg, rgba(235, 51, 73, 0.1) 0%, rgba(244, 92, 67, 0.1) 100%);
    color: #842029;
    border-left: 4px solid var(--color-danger);
}

.alert-info {
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.1) 0%, rgba(0, 242, 254, 0.1) 100%);
    color: #055160;
    border-left: 4px solid var(--color-info);
}

/* Form elements - Enhanced */
.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid #e9ecef;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition-fast);
    background: var(--bg-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
    background: white;
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    font-size: 13px;
    color: var(--color-dark);
    letter-spacing: 0.3px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid #e9ecef;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition-fast);
    background: var(--bg-white);
    cursor: pointer;
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

/* Badge - Modern */
.badge {
    display: inline-block;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.bg-info {
    background: var(--gradient-info);
    color: white;
}

.bg-primary {
    background: var(--gradient-primary);
    color: white;
}

/* Navbar - Enhanced */
.navbar {
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(10px);
    background: var(--gradient-primary) !important;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
}

/* Loading state */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--color-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Pulse animation for important elements */
@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .card {
        padding: var(--spacing-md);
    }

    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 13px;
    }
}