/* Premium Device Rental System UI Design */

/* CSS Reset and Cross-browser Compatibility */
* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

/* iOS Safari specific fixes */
@supports (-webkit-touch-callout: none) {
    .form-control,
    .form-select {
        -webkit-appearance: none;
        border-radius: 8px;
    }
    
    input[type="date"],
    input[type="time"],
    input[type="datetime-local"] {
        -webkit-appearance: none;
        -moz-appearance: textfield;
    }
}

/* Android Chrome specific fixes */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    select {
        background-image: url("data:image/svg+xml;charset=US-ASCII,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 5'><path fill='%23666' d='M2 0L0 2h4zm0 5L0 3h4z'/></svg>");
        background-repeat: no-repeat;
        background-position: right 8px center;
        background-size: 12px;
    }
}

/* Firefox specific fixes */
@-moz-document url-prefix() {
    .form-control,
    .form-select {
        -moz-appearance: none;
    }
}

/* Edge/IE specific fixes */
@supports (-ms-ime-align: auto) {
    .btn {
        border: none;
    }
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --danger-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --dark-gradient: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #4facfe;
    --warning-color: #43e97b;
    --danger-color: #fa709a;
    --dark-color: #2c3e50;
    --light-color: #f8f9fa;
    
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
}

/* Global Styles with Cross-browser Support */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    color: #2d3748;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* iOS Safari viewport fix */
@supports (-webkit-touch-callout: none) {
    body {
        min-height: -webkit-fill-available;
    }
    
    .min-vh-100 {
        min-height: -webkit-fill-available;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .nav-link,
    .dropdown-item {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .table tbody tr {
        cursor: default;
    }
    
    .table tbody tr:hover {
        transform: none;
    }
}

/* High DPI display support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .login-logo-img,
    .company-logo {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

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

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

/* Clean Navbar Styles */
.navbar {
    background: var(--primary-gradient) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 0.75rem 1rem;
}

.navbar-brand {
    font-weight: 600;
    color: white !important;
}

.navbar-nav .nav-link {
    color: rgba(255,255,255,0.9) !important;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.navbar-nav .nav-link:hover {
    background: rgba(255,255,255,0.15);
    color: white !important;
}

.dropdown-menu {
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.dropdown-item:hover {
    background: var(--primary-color);
    color: white;
}

/* Mobile Responsive */
@media (max-width: 991px) {
    .navbar {
        padding: 0.5rem 1rem;
    }
    
    .navbar-collapse {
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(255,255,255,0.2);
    }
    
    .navbar-nav {
        width: 100%;
    }
    
    .navbar-nav .nav-link {
        text-align: center;
        margin: 0.2rem 0;
        padding: 0.75rem 1rem;
        width: 100%;
        justify-content: center;
    }
    
    .navbar-nav .nav-link span {
        display: inline !important;
    }
}

@media (max-width: 767px) {
    .navbar {
        padding: 0.5rem 0.75rem;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 575px) {
    .navbar {
        padding: 0.4rem 0.5rem;
    }
    
    .navbar-brand {
        font-size: 0.9rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.5rem 0.8rem;
        font-size: 0.85rem;
    }
}

/* Body padding for fixed navbar */
body {
    padding-top: 0;
}

main.container-fluid {
    padding-top: 80px !important;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (max-width: 767px) {
    main.container-fluid {
        padding-top: 70px !important;
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}

@media (max-width: 575px) {
    main.container-fluid {
        padding-top: 65px !important;
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
}

/* Cards */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    background: white;
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.card-header {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 1.5rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.card-body {
    padding: 2rem;
}

/* Buttons */
.btn {
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border: none;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--primary-gradient);
    box-shadow: var(--shadow-sm);
}

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

.btn-success {
    background: var(--success-gradient);
    box-shadow: var(--shadow-sm);
}

.btn-success:hover {
    background: var(--warning-gradient);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: var(--danger-gradient);
    box-shadow: var(--shadow-sm);
}

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

.btn-info {
    background: var(--success-gradient);
    box-shadow: var(--shadow-sm);
}

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

.btn-warning {
    background: var(--warning-gradient);
    color: #2d3748;
    box-shadow: var(--shadow-sm);
}

.btn-warning:hover {
    background: var(--success-gradient);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

.btn-outline-danger {
    border: 2px solid var(--danger-color);
    color: var(--danger-color);
    background: transparent;
}

.btn-outline-danger:hover {
    background: var(--danger-gradient);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
}

/* Forms with Cross-platform Support */
.form-control, .form-select {
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    background: white;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    font-size: 16px; /* Prevents zoom on iOS */
    line-height: 1.5;
}

/* iOS Safari specific form fixes */
@supports (-webkit-touch-callout: none) {
    .form-control,
    .form-select {
        -webkit-border-radius: var(--border-radius-sm);
        -webkit-background-clip: padding-box;
        background-clip: padding-box;
    }
    
    input[type="search"] {
        -webkit-appearance: textfield;
    }
    
    input[type="search"]::-webkit-search-decoration,
    input[type="search"]::-webkit-search-cancel-button {
        -webkit-appearance: none;
    }
}

/* Android Chrome form fixes */
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
    outline: none;
    -webkit-tap-highlight-color: transparent;
}

.form-label {
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 0.5rem;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Tables */
.table {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background: var(--primary-gradient);
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 1rem;
}

.table tbody tr {
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background: rgba(102, 126, 234, 0.05);
    transform: scale(1.01);
}

.table tbody td {
    padding: 1rem;
    border-color: #e2e8f0;
    vertical-align: middle;
}

/* Badges */
.badge {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-lg);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
}

.bg-primary {
    background: var(--primary-gradient) !important;
}

.bg-success {
    background: var(--success-gradient) !important;
}

.bg-warning {
    background: var(--warning-gradient) !important;
    color: #2d3748 !important;
}

.bg-danger {
    background: var(--danger-gradient) !important;
}

.bg-info {
    background: var(--success-gradient) !important;
}

.bg-secondary {
    background: var(--dark-gradient) !important;
}

/* Dashboard Stats Cards */
.stats-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.stats-card.primary::before {
    background: var(--primary-gradient);
}

.stats-card.success::before {
    background: var(--success-gradient);
}

.stats-card.warning::before {
    background: var(--warning-gradient);
}

.stats-card.danger::before {
    background: var(--danger-gradient);
}

.stats-card.info::before {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stats-card .gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Multi-color Dashboard Cards */
.dashboard-card-primary {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-left: 4px solid var(--primary-color);
}

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

.dashboard-card-warning {
    background: linear-gradient(135deg, rgba(67, 233, 123, 0.1) 0%, rgba(56, 249, 215, 0.1) 100%);
    border-left: 4px solid var(--warning-color);
}

.dashboard-card-danger {
    background: linear-gradient(135deg, rgba(250, 112, 154, 0.1) 0%, rgba(254, 225, 64, 0.1) 100%);
    border-left: 4px solid var(--danger-color);
}

.dashboard-card-info {
    background: linear-gradient(135deg, rgba(240, 147, 251, 0.1) 0%, rgba(245, 87, 108, 0.1) 100%);
    border-left: 4px solid var(--accent-color);
}

/* Colorful Table Headers */
.table-primary thead th {
    background: var(--primary-gradient);
}

.table-success thead th {
    background: var(--success-gradient);
}

.table-warning thead th {
    background: var(--warning-gradient);
    color: #2d3748 !important;
}

.table-danger thead th {
    background: var(--danger-gradient);
}

.table-info thead th {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

/* Alerts */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid;
}

.alert-success {
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.1) 0%, rgba(0, 242, 254, 0.1) 100%);
    border-left-color: var(--success-color);
    color: #2d3748;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(250, 112, 154, 0.1) 0%, rgba(254, 225, 64, 0.1) 100%);
    border-left-color: var(--danger-color);
    color: #2d3748;
}

/* Modals */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-footer {
    border: none;
    padding: 1.5rem;
}

/* Footer */
.footer {
    background: var(--primary-gradient);
    color: white;
    padding: 4rem 0 2rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
    margin-top: auto;
    width: 100%;
}

.footer .container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
    max-width: 100%;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #f093fb 0%, #f5576c 50%, #4facfe 100%);
}

.footer h5, .footer h6 {
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: white;
}

.footer .social-links a {
    display: inline-block;
    width: 45px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
}

.footer .social-links a:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.footer .contact-info p {
    transition: all 0.3s ease;
    padding: 0.5rem 0;
}

.footer .contact-info p:hover {
    transform: translateX(5px);
}

.footer .contact-info i {
    width: 20px;
    text-align: center;
}

.footer .footer-badges .badge {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2) !important;
    color: white !important;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.footer .footer-badges .badge:hover {
    background: rgba(255, 255, 255, 0.3) !important;
    transform: translateY(-2px);
}

.footer hr {
    margin: 3rem 0 2rem;
    border-color: rgba(255, 255, 255, 0.2);
}

.footer .text-light {
    opacity: 0.9;
    transition: all 0.3s ease;
}

.footer .text-light:hover {
    opacity: 1;
    color: white !important;
}

.footer .lh-lg {
    line-height: 1.8;
}

/* Responsive Footer */
@media (max-width: 768px) {
    .footer {
        padding: 3rem 0 1.5rem;
    }
    
    .footer .container-fluid {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    .footer .social-links {
        text-align: center;
        margin-top: 1rem;
    }
    
    .footer .contact-info {
        text-align: center;
        margin-top: 2rem;
    }
    
    .footer .footer-badges {
        justify-content: center !important;
        margin-top: 1rem;
    }
}

@media (max-width: 576px) {
    .footer {
        padding: 2rem 0 1rem;
    }
    
    .footer .container-fluid {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .footer .social-links a {
        width: 40px;
        height: 40px;
        line-height: 40px;
        font-size: 1rem;
        margin: 0.2rem;
    }
    
    .footer .footer-badges .badge {
        font-size: 0.7rem;
        padding: 0.4rem 0.8rem;
        margin: 0.1rem;
    }
}

/* Login Page */
.login-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    font-family: 'Inter', sans-serif;
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.login-container {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 3rem;
    position: relative;
    overflow: hidden;
    max-width: 450px;
    width: 100%;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--primary-gradient);
}

.login-logo {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
    animation: pulse 2s infinite;
    overflow: hidden;
}

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

.login-logo-img {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 50%;
    background: white;
    padding: 5px;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: var(--shadow-lg);
    }
    50% {
        transform: scale(1.05);
        box-shadow: var(--shadow-xl);
    }
    100% {
        transform: scale(1);
        box-shadow: var(--shadow-lg);
    }
}

.login-container .gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    font-size: 1.8rem;
}

.login-container .input-group-text {
    background: rgba(102, 126, 234, 0.1);
    border: 2px solid #e2e8f0;
    border-right: none;
}

.login-container .form-control {
    border-left: none;
    padding-left: 0.5rem;
}

.login-container .input-group:focus-within .input-group-text {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.15);
}

.login-container .input-group:focus-within .form-control {
    border-color: var(--primary-color);
    box-shadow: none;
}

.login-info {
    background: rgba(102, 126, 234, 0.1);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
    border-left: 4px solid var(--primary-color);
}

.login-footer {
    border-top: 1px solid #e2e8f0;
    padding-top: 1rem;
}

/* Responsive Login */
@media (max-width: 768px) {
    .login-container {
        padding: 2rem 1.5rem;
        margin: 1rem;
    }
    
    .login-logo {
        width: 60px;
        height: 60px;
    }
    
    .login-logo i {
        font-size: 2rem;
    }
    
    .login-container .gradient-text {
        font-size: 1.5rem;
    }
}

/* Comprehensive Responsive Design for All Devices */

/* Large Desktop (1200px and up) */
@media (min-width: 1200px) {
    .container-fluid {
        max-width: 1400px;
        margin: 0 auto;
    }
}

/* Desktop (992px to 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
    .card-body {
        padding: 1.75rem;
    }
    
    .stats-card {
        padding: 1.75rem;
    }
}

/* Tablet Landscape (768px to 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .navbar-nav .nav-link {
        padding: 0.4rem 0.8rem !important;
        margin: 0 0.25rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .stats-card {
        padding: 1.5rem;
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.75rem 0.5rem;
        font-size: 0.9rem;
    }
}

/* Tablet Portrait & Mobile Landscape (576px to 767px) */
@media (min-width: 576px) and (max-width: 767px) {
    .card-body {
        padding: 1.25rem;
    }
    
    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
    
    .stats-card {
        padding: 1.25rem;
    }
    
    .navbar-brand {
        font-size: 1.3rem;
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.6rem 0.4rem;
        font-size: 0.85rem;
    }
    
    .modal-dialog {
        margin: 1rem;
    }
}

/* Mobile Portrait (up to 575px) */
@media (max-width: 575px) {
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
        margin: 0.1rem;
    }
    
    .stats-card {
        padding: 1rem;
        margin-bottom: 1rem;
    }
    
    .stats-card h2 {
        font-size: 1.5rem;
    }
    
    .stats-card h5 {
        font-size: 0.9rem;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.5rem 0.3rem;
        font-size: 0.8rem;
    }
    
    .form-control,
    .form-select {
        padding: 0.6rem 0.8rem;
        font-size: 16px;
    }
    
    .modal-dialog {
        margin: 0.5rem;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .container-fluid {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    .btn-group {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-group .btn {
        margin: 0.1rem 0;
        border-radius: var(--border-radius-sm) !important;
        width: 100%;
    }
}

/* Very Small Mobile (up to 400px) */
@media (max-width: 400px) {
    .container-fluid {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .card {
        margin-bottom: 0.75rem;
    }
    
    .card-body {
        padding: 0.75rem;
    }
    
    .stats-card {
        padding: 0.75rem;
    }
    
    .btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.75rem;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.4rem 0.2rem;
        font-size: 0.75rem;
    }
    
    .badge {
        font-size: 0.65rem;
        padding: 0.25rem 0.5rem;
    }
    
    body {
        font-size: 0.85rem;
    }
}

/* iOS Safari specific responsive fixes */
@supports (-webkit-touch-callout: none) {
    @media (max-width: 767px) {
        .login-container {
            padding: 1.5rem 1rem;
            margin: 0.5rem;
        }
        
        .form-control,
        .form-select {
            font-size: 16px !important;
        }
    }
}

/* Landscape orientation optimizations */
@media (orientation: landscape) and (max-height: 500px) {
    .login-wrapper {
        padding: 1rem 0;
    }
    
    .login-container {
        padding: 1.5rem;
    }
    
    .navbar {
        padding: 0.5rem 0;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}