/* ============================================
   MODERN UI DESIGN SYSTEM  
   Medical Professional Theme with Animations
============================================ */

/* CSS Variables for Color Scheme */
:root {
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-medical: linear-gradient(135deg, #0093E9 0%, #80D0C7 100%);
    --gradient-success: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --gradient-button: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --color-primary: #667eea;
    --color-secondary: #764ba2;
    --color-accent: #0093E9;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 35px rgba(102, 126, 234, 0.2);
    --border-radius: 12px;
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: 0 !important;
    margin: 0 !important;
    overflow-x: hidden;
    line-height: 1.4;
}

/* Page Load Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Gradient Header with Glassmorphism */
.header {
    background: var(--gradient-medical) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 147, 233, 0.15);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: sticky !important;
    top: 0;
    z-index: 1000;
    animation: slideDown 0.6s ease-out;
}

.navbar {
    padding: 0.75rem 0 !important;
}

.site-title-inline {
    background: linear-gradient(135deg, #ffffff 0%, #e0f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* Modern Buttons */
.btn {
    border-radius: var(--border-radius);
    padding: 0.65rem 1.5rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: var(--transition-base);
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-button) !important;
    color: white !important;
    border: none !important;
}

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

.btn-info {
    background: linear-gradient(135deg, #0093E9 0%, #80D0C7 100%) !important;
    color: white !important;
    border: none !important;
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(0, 147, 233, 0.3);
}

.btn-secondary {
    background: linear-gradient(135deg, #7f7fd5 0%, #86a8e7 100%) !important;
    color: white !important;
}

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

.btn-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%) !important;
    color: white !important;
}

.btn-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
    color: white !important;
}

.btn-danger {
    background: linear-gradient(135deg, #f85032 0%, #e73827 100%) !important;
    color: white !important;
}

.btn-outline-warning {
    border: 2px solid #f59e0b !important;
    color: #f59e0b !important;
    background: transparent !important;
}

.btn-outline-warning:hover {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
    border-color: transparent !important;
    color: white !important;
    transform: translateY(-2px);
}

.btn i {
    transition: transform 0.3s ease;
}

.btn:hover i {
    transform: scale(1.1);
}

/* Main Content Area */
.main {
    animation: fadeInUp 0.8s ease-out;
    padding-bottom: 60px !important;
    min-height: calc(100vh - 120px);
}

section {
    animation: fadeIn 1s ease-out 0.2s both;
}

/* Modern Form Controls */
.form-select,
.form-control {
    border-radius: var(--border-radius);
    border: 2px solid #e5e7eb;
    padding: 0.65rem 1rem;
    transition: var(--transition-base);
    box-shadow: none;
}

.form-select:focus,
.form-control:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 147, 233, 0.1);
    outline: none;
}

.form-select:hover,
.form-control:hover {
    border-color: #cbd5e1;
}

/* Enhanced Table Styling */
.table-responsive {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    background: white;
    overflow: hidden;
    animation: fadeInUp 1s ease-out 0.4s both;
}

#dataTable {
    margin-bottom: 0 !important;
    border-collapse: separate;
    border-spacing: 0;
}

#dataTable thead {
    background: var(--gradient-medical) !important;
    color: white !important;
    position: sticky;
    top: 0;
    z-index: 10;
}

#dataTable thead th {
    border: none !important;
    padding: 0.75rem !important;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    font-size: 0.75rem;
    border-bottom: 3px solid rgba(255, 255, 255, 0.2) !important;
    color: white !important;
    line-height: 1.2;
}

#dataTable tbody tr {
    transition: var(--transition-base);
    border-bottom: 1px solid #f3f4f6;
}

#dataTable tbody tr:hover {
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.05) 0%, rgba(128, 208, 199, 0.05) 100%) !important;
    transform: scale(1.001);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

#dataTable tbody td {
    padding: 0.65rem 0.75rem;
    vertical-align: middle;
    font-size: 0.875rem;
    line-height: 1.3;
}

/* Animated Status Badges */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.3px;
    transition: var(--transition-base);
    animation: fadeIn 0.5s ease-out;
}

.bg-success {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%) !important;
    box-shadow: 0 4px 15px rgba(56, 239, 125, 0.3);
}

.bg-warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%) !important;
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.3);
}

.badge:hover {
    transform: scale(1.05);
}

/* Action Buttons in Table */
.btn-sm {
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    margin: 0 0.2rem;
}

.btn-sm:hover {
    transform: translateY(-3px) scale(1.05);
}

/* QR Card Styles */
.qr-card {
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    padding: 1.25rem;
    transition: var(--transition-base);
    cursor: pointer;
    background: white;
    box-shadow: var(--shadow-sm);
}

.qr-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px) scale(1.02);
}

.qr-card.selected {
    border-color: var(--color-success);
    background: linear-gradient(135deg, rgba(17, 153, 142, 0.05) 0%, rgba(56, 239, 125, 0.05) 100%);
    box-shadow: 0 8px 20px rgba(56, 239, 125, 0.2);
}

.qr-thumbnail {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 5px;
    background-color: #fff;
}

.qr-info {
    flex: 1;
}

.reg-number {
    font-weight: bold;
    color: var(--color-accent);
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.dentist-name {
    color: #333;
    font-size: 0.95rem;
    margin-bottom: 5px;
}

.created-date {
    color: #6c757d;
    font-size: 0.85rem;
}

/* Modal Enhancements */
.modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--shadow-lg);
    animation: fadeInUp 0.3s ease-out;
}

.modal-header {
    background: var(--gradient-medical) !important;
    color: white !important;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    border-bottom: none;
}

.modal-footer {
    border-top: 1px solid #f3f4f6;
    padding: 1.25rem;
}

/* Footer Styling */
.footer-area {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%) !important;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
}

/* Loading States */
.spinner-border {
    border-width: 3px;
}

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

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-medical);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gradient-primary);
}

/* Floating Animation for Important Elements */
@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

.form-check-input:checked {
    background-color: var(--color-danger) !important;
    border-color: var(--color-danger) !important;
}

#selectAll:indeterminate {
    background-color: #ffc107 !important;
    border-color: #ffc107 !important;
}

.modal-xl {
    max-width: 1200px;
}