/* EzyToolbox - Modern Design System (Bootstrap 5 Compatible) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #1D4ED8;
    --primary-hover: #1E40AF;
    --bg-light: #F9FAFB;
    --card-bg: #FFFFFF;
    --text-primary: #0F172A;
    --text-secondary: #64748B;
    --border-color: #E2E8F0;
    --border-radius: 12px;
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* Modern Header Styling */
.navbar {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: none !important;
    min-height: 64px;
}

.navbar-brand {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand:hover {
    color: var(--text-primary) !important;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-size: 0.875rem;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: 0.5rem 0.75rem !important;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--primary-color) !important;
}

.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.dropdown-item {
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* Modern Card Styling */
.card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--card-bg);
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    border-color: var(--primary-color);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-text {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

.tool-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.tool-card .card-body {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.tool-card .card-text {
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.tool-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

/* Button Styling */
.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: none;
}

.btn-outline-primary {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

/* Section Headers */
.section-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

/* Hero Section */
.hero-section {
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: 4rem 1rem;
    text-align: center;
}

.hero-emoji {
    font-size: 3rem;
    display: inline-block;
    padding: 1rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    margin-bottom: 1.5rem;
}

.hero-section h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.hero-section .lead {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Form Controls */
.form-control,
.form-select {
    border-radius: var(--border-radius);
    border-color: var(--border-color);
    padding: 0.75rem 1rem;
    transition: all 0.2s ease;
    background-color: white;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(29, 78, 216, 0.1);
    background-color: white;
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

/* Alerts */
.alert {
    border-radius: var(--border-radius);
    border: 1px solid;
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
}

.alert-success {
    background-color: #F0FDF4;
    border-color: #BBF7D0;
    color: #166534;
}

.alert-danger {
    background-color: #FEF2F2;
    border-color: #FECACA;
    color: #991B1B;
}

.alert-info {
    background-color: #EFF6FF;
    border-color: #BFDBFE;
    color: #1E40AF;
}

.alert-warning {
    background-color: #FFFBEB;
    border-color: #FDE68A;
    color: #92400E;
}

/* Footer */
footer {
    background: white;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
    padding: 3rem 0;
}

footer p,
footer a {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

footer a:hover {
    color: var(--primary-color);
}

/* Badge */
.badge {
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.625rem;
    padding: 0.25rem 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-new {
    background-color: #14532D;
    color: #86EFAC;
}

/* Utilities */
.text-muted {
    color: var(--text-secondary) !important;
}

.shadow-sm {
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05) !important;
}

.text-slate-600 {
    color: var(--text-secondary);
}

.text-slate-900 {
    color: var(--text-primary);
}

/* Loading Animation */
.loading {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Responsive */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.125rem;
    }
    
    .hero-section {
        padding: 2rem 1rem;
    }
    
    .section-header h2 {
        font-size: 1.25rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
}

@media (max-width: 576px) {
    .btn-lg {
        padding: 0.625rem 1.25rem;
        font-size: 0.9375rem;
    }
}

/* Print Styles */
@media print {
    .navbar, footer, .ad-banner, .btn {
        display: none !important;
    }
}