/* ============================================
   Premium BEMİS Theme - Modern & Light & Elegant
   Primary Color: Red (#DC2626, #EF4444, #F87171)
   ============================================ */

:root {
    --primary-red: #DC2626;
    --primary-red-light: #EF4444;
    --primary-red-lighter: #F87171;
    --primary-red-dark: #B91C1C;
    --primary-red-darker: #991B1B;

    --secondary-blue: #3B82F6;
    --secondary-purple: #8B5CF6;
    --secondary-pink: #EC4899;

    --accent-gold: #F59E0B;
    --accent-emerald: #10B981;
    --accent-cyan: #06B6D4;

    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-card-hover: #FEF2F2;

    --text-primary: #1E293B;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --text-white: #FFFFFF;

    --border-color: #E2E8F0;
    --border-color-light: #F1F5F9;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    --shadow-red: 0 10px 30px rgba(220, 38, 38, 0.15);
    --shadow-colored: 0 20px 50px -12px rgba(220, 38, 38, 0.25);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Global Styles
   ============================================ */

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #FEF2F2 0%, #FFF7ED 50%, #F0F9FF 100%);
    color: var(--text-primary);
    min-height: 100vh;
}

#page-container {
    background: transparent;
}

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

/* ============================================
   Sidebar Styling
   ============================================ */

#sidebar {
    background: linear-gradient(180deg, #FFFFFF 0%, #FEFEFE 100%);
    border-right: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

#sidebar .content-header {
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.05) 0%, rgba(239, 68, 68, 0.05) 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
}

#sidebar .content-header a {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all var(--transition-base);
}

#sidebar .content-header a:hover {
    transform: scale(1.05);
}

/* Navigation Links */
.nav-main-item {
    margin: 0.25rem 0.75rem;
}

.nav-main-link {
    border-radius: 0.75rem;
    padding: 0.875rem 1.25rem;
    color: var(--text-primary) !important;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.nav-main-link i {
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.nav-main-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-red) 0%, var(--primary-red-light) 100%);
    transition: width var(--transition-base);
    border-radius: 0.75rem;
    z-index: -1;
}

.nav-main-link:hover {
    color: white !important;
    transform: translateX(4px);
    background: rgba(220, 38, 38, 0.05);
}

.nav-main-link:hover i {
    color: white;
}

.nav-main-link:hover::before {
    width: 100%;
}

.nav-main-link.active {
    background: linear-gradient(90deg, var(--primary-red) 0%, var(--primary-red-light) 100%);
    color: white !important;
    box-shadow: var(--shadow-red);
}

.nav-main-link.active i {
    color: white;
}

/* ============================================
   Content Area
   ============================================ */

.content-full {
    padding: 2rem;
}

/* Page Title */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 700;
}

h2.fw-light {
    font-weight: 600 !important;
    font-size: 2rem;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Statistics Cards - Modern & Premium
   ============================================ */

.block {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    transition: all var(--transition-base);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.block-rounded {
    border-radius: 1.25rem;
}

.block-fx-pop {
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
    backdrop-filter: blur(10px);
}

.block-fx-pop::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.05) 0%, rgba(239, 68, 68, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
    border-radius: 1.25rem;
}

.block-fx-pop:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary-red-lighter);
    box-shadow: var(--shadow-colored);
}

.block-fx-pop:hover::before {
    opacity: 1;
}

.block-content {
    padding: 2rem 1.5rem;
}

/* Statistics Numbers */
.link-fx.text-warning {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    text-decoration: none;
    font-size: 2.5rem !important;
    display: block;
    margin: 0.5rem 0;
}

/* ============================================
   Device Cards - Premium Modern Design
   ============================================ */

.device-card {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 1.25rem;
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.device-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: var(--accent-emerald);
    transition: all var(--transition-base);
}

.device-card.status-offline::before {
    background: #94A3B8;
}

.device-card.status-available::before {
    background: var(--accent-emerald);
}

.device-card.status-charging::before {
    background: var(--primary-red);
    box-shadow: 0 0 20px rgba(220, 38, 38, 0.5);
}

.device-card.status-preparing::before {
    background: var(--accent-cyan);
}

.device-card.status-finishing::before {
    background: var(--accent-gold);
}

.device-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-red-lighter);
}

.device-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.device-card-title {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.device-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.device-status-badge.status-offline {
    background: rgba(148, 163, 184, 0.1);
    color: #64748B;
}

.device-status-badge.status-available {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-emerald);
}

.device-status-badge.status-charging {
    background: rgba(220, 38, 38, 0.1);
    color: var(--primary-red);
}

.device-status-badge.status-preparing {
    background: rgba(6, 182, 212, 0.1);
    color: var(--accent-cyan);
}

.device-status-badge.status-finishing {
    background: rgba(245, 158, 11, 0.1);
    color: var(--accent-gold);
}

.device-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.device-info-item {
    display: flex;
    flex-direction: column;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: 0.75rem;
}

.device-info-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.device-info-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.device-info-value.highlight {
    color: var(--primary-red);
    font-size: 1.25rem;
}

.device-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.border-start {
    position: relative;
}

.border-start::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 5px;
    background: inherit;
    border-radius: 1rem 0 0 1rem;
}

/* Device Status Indicators */
.spinner-grow {
    animation: spinner-grow 1.5s ease-in-out infinite;
}

@keyframes spinner-grow {
    0%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.625rem 1.25rem;
    border-radius: 9999px;
    transition: all var(--transition-base);
    border: none;
    position: relative;
    overflow: hidden;
}

.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 var(--transition-base), height var(--transition-base);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-light) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-red-dark) 0%, var(--primary-red) 100%);
    box-shadow: var(--shadow-xl), var(--shadow-red);
    transform: translateY(-2px);
}

.btn-alt-success {
    background: linear-gradient(135deg, var(--accent-emerald) 0%, #059669 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-alt-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    box-shadow: var(--shadow-xl), 0 10px 30px rgba(16, 185, 129, 0.3);
    transform: translateY(-2px);
}

.btn-alt-danger {
    background: linear-gradient(135deg, var(--primary-red-light) 0%, var(--primary-red) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-alt-danger:hover {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    box-shadow: var(--shadow-xl), var(--shadow-red);
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--secondary-light);
    color: var(--text-muted);
    cursor: not-allowed;
}

.btn-secondary {
    background: var(--secondary-light);
    color: var(--text-secondary);
}

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

.btn-warning {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%);
    color: white;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #D97706 0%, #B45309 100%);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--primary-red-dark) 0%, var(--primary-red-darker) 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, var(--primary-red-darker) 0%, #7F1D1D 100%);
    transform: translateY(-2px);
}

.btn-info {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: white;
}

.btn-info:hover {
    background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.rounded-pill {
    border-radius: 9999px !important;
}

/* ============================================
   Modals
   ============================================ */

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.1) 0%, transparent 100%);
}

.modal-title {
    color: var(--text-primary);
    font-weight: 700;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
}

.btn-close {
    filter: invert(1);
    opacity: 0.8;
}

.btn-close:hover {
    opacity: 1;
}

/* ============================================
   Forms - Modern & Clean
   ============================================ */

.form-control {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 0.75rem;
    padding: 0.875rem 1.25rem;
    transition: all var(--transition-fast);
    font-size: 0.9375rem;
}

.form-control:focus {
    background: var(--bg-card);
    border-color: var(--primary-red);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.1);
    color: var(--text-primary);
    outline: none;
}

.form-control::placeholder {
    color: var(--text-muted);
}

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

.form-text {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.input-group-text {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 0.75rem;
}

/* ============================================
   Alerts
   ============================================ */

.alert {
    border-radius: 0.75rem;
    border: 1px solid;
    padding: 1rem 1.25rem;
}

.alert-danger {
    background: rgba(220, 38, 38, 0.1);
    border-color: var(--primary-red);
    color: var(--primary-red-lighter);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: #3B82F6;
    color: #93C5FD;
}

/* ============================================
   Tables - Modern Card Style
   ============================================ */

.table {
    color: var(--text-primary);
    margin-bottom: 0;
}

.table thead {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-bottom: none;
}

.table th {
    color: var(--text-primary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding: 1rem 1.25rem;
    border: none;
}

.table td {
    padding: 1rem 1.25rem;
    vertical-align: middle;
    border-top: 1px solid var(--border-color-light);
}

.table tbody tr {
    background: white;
    transition: all var(--transition-fast);
}

.table-striped tbody tr:nth-of-type(odd) {
    background: var(--bg-secondary);
}

.table tbody tr:hover {
    background: rgba(220, 38, 38, 0.02);
    transform: scale(1.01);
    box-shadow: var(--shadow-sm);
}

.table-responsive {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* Modern List Card Style - Alternative to Tables */
.list-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.list-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-red-lighter);
}

.list-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color-light);
}

.list-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.list-card-body {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.list-card-item {
    display: flex;
    flex-direction: column;
}

.list-card-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.list-card-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ============================================
   Badges
   ============================================ */

.badge {
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.75rem;
}

.bg-success {
    background: linear-gradient(135deg, var(--accent-emerald) 0%, #059669 100%) !important;
}

.bg-warning {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #D97706 100%) !important;
}

.bg-danger {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%) !important;
}

.bg-info {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%) !important;
}

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

/* ============================================
   Mobile Menu Button
   ============================================ */

button[data-toggle="layout"] {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-light) 100%);
    border: none;
    box-shadow: var(--shadow-md);
}

button[data-toggle="layout"]:hover {
    box-shadow: var(--shadow-lg), var(--shadow-red);
    transform: translateY(-2px);
}

/* ============================================
   Scrollbar Styling
   ============================================ */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--primary-red-light) 0%, var(--primary-red) 100%);
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(220, 38, 38, 0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out;
}

.animate-slide-in {
    animation: slideInLeft 0.5s ease-out;
}

/* Stagger animations for cards */
.col-sm-6:nth-child(1) .block,
.col-sm-12:nth-child(1) .block {
    animation: fadeIn 0.5s ease-out 0.1s both;
}

.col-sm-6:nth-child(2) .block,
.col-sm-12:nth-child(2) .block {
    animation: fadeIn 0.5s ease-out 0.2s both;
}

.col-sm-6:nth-child(3) .block,
.col-sm-12:nth-child(3) .block {
    animation: fadeIn 0.5s ease-out 0.3s both;
}

.col-sm-6:nth-child(4) .block,
.col-sm-12:nth-child(4) .block {
    animation: fadeIn 0.5s ease-out 0.4s both;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 991.98px) {
    .content-full {
        padding: 1.25rem;
    }

    h2.fw-light {
        font-size: 1.5rem;
    }

    .block-content {
        padding: 1rem;
    }
}

@media (max-width: 575.98px) {
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.8125rem;
    }

    .btn-sm {
        padding: 0.375rem 0.75rem;
        font-size: 0.75rem;
    }
}

/* ============================================
   Dark Mode Enhancements
   ============================================ */

.text-muted {
    color: var(--text-muted) !important;
}

.text-white {
    color: var(--text-primary) !important;
}

.fs-sm {
    font-size: 0.875rem;
}

.fw-semibold {
    font-weight: 600;
}

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Loading States
   ============================================ */

.spinner-border {
    border-color: var(--primary-red);
    border-right-color: transparent;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   Utility Classes
   ============================================ */

.shadow-premium {
    box-shadow: var(--shadow-xl), var(--shadow-red);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(220, 38, 38, 0.1);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   Modals - Updated for Light Theme
   ============================================ */

.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--border-color-light);
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.03) 0%, transparent 100%);
    border-radius: 1.25rem 1.25rem 0 0;
    padding: 1.5rem;
}

.modal-title {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color-light);
    padding: 1.25rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: 0 0 1.25rem 1.25rem;
}

.btn-close {
    filter: none;
    opacity: 0.6;
}

.btn-close:hover {
    opacity: 1;
}