/* CSS Variables for Theme Support */
:root {
    /* Brand Colors - Sleek Professional */
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --primary-light: rgba(59, 130, 246, 0.15);
    --secondary-color: #64748b;
    --secondary-hover: #475569;
    --success-color: #10b981;
    --success-light: rgba(16, 185, 129, 0.15);
    --warning-color: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.15);
    --danger-color: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.15);
    --info-color: #06b6d4;
    --info-light: rgba(6, 182, 212, 0.15);
    --dark-color: #0f172a;
    --light-color: #f8fafc;
    
    /* Typography Scale */
    --font-family-base: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    
    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Button Sizes */
    --btn-height-sm: 2rem;
    --btn-height-md: 2.5rem;
    --btn-height-lg: 3rem;
    --btn-padding-x-sm: 0.75rem;
    --btn-padding-x-md: 1rem;
    --btn-padding-x-lg: 1.5rem;
    
    /* Touch Target Size */
    --touch-target-min: 44px;
    
    /* Dark theme vars - Sleek Professional */
    --body-bg: #0f172a;
    --body-color: #e2e8f0;
    --text-muted: #94a3b8;
    --card-bg: #1e293b;
    --card-border: #334155;
    --card-header-bg: #1e293b;
    --card-elevated: #283548;
    --input-bg: #1e293b;
    --input-border: #475569;
    --input-focus-border: var(--primary-color);
    --input-color: #f1f5f9;
    --input-placeholder: #64748b;
    --dropdown-bg: #1e293b;
    --dropdown-color: #e2e8f0;
    --dropdown-border: #334155;
    --dropdown-hover: #334155;
    --modal-bg: #1e293b;
    --modal-color: #e2e8f0;
    --modal-border: #334155;
    --navbar-bg: #0f172a;
    --navbar-border: #1e293b;
    --mobile-tab-bg: #0f172a;
    --mobile-tab-border: #1e293b;
    --highlight-color: rgba(59, 130, 246, 0.15);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
}

/* Light Theme Variables */
[data-bs-theme="light"] {
    --body-bg: #f8fafc;
    --body-color: #1e293b;
    --text-muted: #64748b;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --card-header-bg: #f8fafc;
    --card-elevated: #ffffff;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --input-focus-border: var(--primary-color);
    --input-color: #1e293b;
    --input-placeholder: #94a3b8;
    --dropdown-bg: #ffffff;
    --dropdown-color: #1e293b;
    --dropdown-border: #e2e8f0;
    --dropdown-hover: #f1f5f9;
    --modal-bg: #ffffff;
    --modal-color: #1e293b;
    --modal-border: #e2e8f0;
    --navbar-bg: #1e293b;
    --navbar-border: #334155;
    --mobile-tab-bg: #ffffff;
    --mobile-tab-border: #e2e8f0;
    --highlight-color: rgba(59, 130, 246, 0.1);
    --shadow-color: rgba(15, 23, 42, 0.08);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

/* Base Styles */
body {
    font-family: var(--font-family-base);
    background-color: var(--body-bg);
    color: var(--body-color);
    transition: background-color var(--transition-slow), color var(--transition-slow);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography - Professional Scale */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-tight);
    letter-spacing: -0.02em;
}

h1, .h1 {
    font-size: var(--font-size-4xl);
}

h2, .h2 {
    font-size: var(--font-size-3xl);
}

h3, .h3 {
    font-size: var(--font-size-2xl);
}

h4, .h4 {
    font-size: var(--font-size-xl);
}

h5, .h5 {
    font-size: var(--font-size-lg);
}

h6, .h6 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
}

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

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

/* Lead text for introductions */
.lead {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-relaxed);
    color: var(--text-muted);
}

/* Small/caption text */
.small, small {
    font-size: var(--font-size-sm);
}

.text-xs {
    font-size: var(--font-size-xs);
}

/* ========================================
   NAVBAR - Sleek Professional Design
   ======================================== */
.navbar {
    padding: var(--space-3) var(--space-4);
    background-color: var(--navbar-bg) !important;
    border-bottom: 1px solid var(--navbar-border);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: relative;
    z-index: 1030;
}

.dropdown-menu {
    z-index: 9999 !important;
}

.navbar-brand {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
    color: #fff !important;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.navbar-brand img {
    filter: brightness(0) invert(1);
    height: 28px;
    width: auto;
}

.navbar .nav-item {
    margin: 0 var(--space-1);
}

.navbar .nav-link {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    color: rgba(255, 255, 255, 0.7) !important;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    min-height: var(--touch-target-min);
}

.navbar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff !important;
}

.navbar .nav-link.active {
    background-color: var(--primary-color);
    color: #fff !important;
}

.navbar .nav-link i,
.navbar .nav-link .bi {
    font-size: 1.1em;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.7);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: #fff;
}

/* Navbar badges */
.navbar .badge {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    padding: 0.2em 0.5em;
    border-radius: var(--radius-full);
}

/* ========================================
   CARDS - Professional Elevated Design
   ======================================== */
.card {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--card-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    background-color: var(--card-bg);
    margin-bottom: var(--space-6);
    overflow: hidden;
}

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

/* Disable hover effect on static cards */
.card.card-static:hover {
    transform: none;
    box-shadow: var(--shadow-md);
}

.card-header {
    font-weight: var(--font-weight-semibold);
    background-color: var(--card-header-bg);
    border-bottom: 1px solid var(--card-border);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h5, .card-header .h5 {
    margin-bottom: 0;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.card-header h5 i, .card-header .h5 i {
    color: var(--primary-color);
}

.card-body {
    padding: var(--space-5);
    color: var(--body-color);
}

.card-footer {
    padding: var(--space-4) var(--space-5);
    background-color: var(--card-header-bg);
    border-top: 1px solid var(--card-border);
}

/* Stylized card borders */
.card-border-left-primary {
    border-left: 0.25rem solid var(--primary-color) !important;
}

.card-border-left-success {
    border-left: 0.25rem solid var(--success-color) !important;
}

.card-border-left-info {
    border-left: 0.25rem solid var(--info-color) !important;
}

.card-border-left-warning {
    border-left: 0.25rem solid var(--warning-color) !important;
}

.card-border-left-danger {
    border-left: 0.25rem solid var(--danger-color) !important;
}

/* Dashboard layout */
.dashboard-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.dashboard-card {
    height: 100%;
}

/* Credits and Vault cards */
.credits-vault-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.credits-card, .vault-card {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.credits-value, .vault-value {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #3498db;
}

.credits-label, .vault-label {
    font-size: 1rem;
    color: #adb5bd;
}

.credits-actions, .vault-actions {
    margin-top: auto;
}

/* Transformation cards */
.transformation-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
}

.transformation-card {
    position: relative;
}

.transformation-text {
    font-size: 0.9rem;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 150px;
    overflow-y: auto;
}

.transformation-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
}

.transformation-date {
    color: #adb5bd;
}

.transformation-actions {
    display: flex;
    gap: 0.5rem;
}

/* ========================================
   FORMS - Clean & Accessible
   ======================================== */
.form-control,
.form-select,
.form-check-input {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--input-color);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    padding: var(--space-3) var(--space-4);
    min-height: var(--touch-target-min);
}

.form-select {
    padding-right: 2.5rem;
    background-position: right var(--space-3) center;
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    background-color: var(--input-bg);
    border-color: var(--input-focus-border);
    box-shadow: 0 0 0 3px var(--primary-light);
    color: var(--input-color);
    outline: none;
}

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

.form-check-input {
    width: 1.25em;
    height: 1.25em;
    margin-top: 0.125em;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

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

/* Form labels */
.form-label {
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--body-color);
}

/* Form text/help */
.form-text {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--space-2);
}

/* Input groups */
.input-group {
    border-radius: 0.35rem;
    overflow: hidden;
}

.input-group-text {
    background-color: var(--card-header-bg);
    border-color: var(--input-border);
    color: var(--body-color);
    font-weight: 600;
    padding: 0.6rem 1rem;
}

/* Form validation styling */
.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--success-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%231cc88a' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--danger-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23e74a3b' viewBox='0 0 12 12'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3e%3ccircle cx='6' cy='8.2' r='.6' fill='%23e74a3b' stroke='none'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:valid:focus,
.form-control.is-valid:focus {
    border-color: var(--success-color);
    box-shadow: 0 0 0 0.25rem rgba(28, 200, 138, 0.25);
}

.was-validated .form-control:invalid:focus,
.form-control.is-invalid:focus {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 0.25rem rgba(231, 74, 59, 0.25);
}

/* Switch toggle styling */
.form-switch .form-check-input {
    width: 2em;
    margin-left: -2.5em;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='rgba%28255, 255, 255, 0.25%29'/%3e%3c/svg%3e");
    background-position: left center;
    border-radius: 2em;
    transition: background-position 0.15s ease-in-out;
}

.form-switch .form-check-input:checked {
    background-position: right center;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='3' fill='%23fff'/%3e%3c/svg%3e");
}

/* ========================================
   BUTTONS - Professional & Accessible
   ======================================== */
.btn {
    font-weight: var(--font-weight-medium);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: var(--btn-height-md);
    cursor: pointer;
    text-decoration: none;
}

.btn:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Button Sizes */
.btn-sm {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    min-height: var(--btn-height-sm);
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-base);
    min-height: var(--btn-height-lg);
    border-radius: var(--radius-md);
}

/* Icon buttons */
.btn-icon {
    padding: var(--space-2);
    min-width: var(--btn-height-md);
}

.btn-icon.btn-sm {
    padding: var(--space-1);
    min-width: var(--btn-height-sm);
}

.btn-icon.btn-lg {
    padding: var(--space-3);
    min-width: var(--btn-height-lg);
}

/* Primary Button - Main actions */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    color: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

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

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

/* Secondary Button - Secondary actions */
.btn-secondary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
    border-color: var(--secondary-hover);
    color: white;
    transform: translateY(-1px);
}

.btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--card-border);
    background-color: transparent;
}

.btn-outline-secondary:hover {
    background-color: var(--card-elevated);
    border-color: var(--text-muted);
    color: var(--body-color);
}

/* Success Button */
.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #059669;
    border-color: #059669;
    color: white;
    transform: translateY(-1px);
}

.btn-outline-success {
    color: var(--success-color);
    border-color: var(--success-color);
    background-color: transparent;
}

.btn-outline-success:hover {
    background-color: var(--success-color);
    color: white;
}

/* Danger Button */
.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #dc2626;
    border-color: #dc2626;
    color: white;
    transform: translateY(-1px);
}

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

.btn-outline-danger:hover {
    background-color: var(--danger-color);
    color: white;
}

/* Warning Button */
.btn-warning {
    background-color: var(--warning-color);
    border-color: var(--warning-color);
    color: #1e293b;
}

.btn-warning:hover {
    background-color: #d97706;
    border-color: #d97706;
    color: white;
    transform: translateY(-1px);
}

/* Info Button */
.btn-info {
    background-color: var(--info-color);
    border-color: var(--info-color);
    color: white;
}

.btn-info:hover {
    background-color: #0891b2;
    border-color: #0891b2;
    color: white;
    transform: translateY(-1px);
}

/* Ghost/Link Button - Minimal style */
.btn-ghost {
    background-color: transparent;
    border-color: transparent;
    color: var(--text-muted);
}

.btn-ghost:hover {
    background-color: var(--highlight-color);
    color: var(--body-color);
}

/* Dark Button */
.btn-dark {
    background-color: var(--dark-color);
    border-color: var(--dark-color);
    color: white;
}

.btn-dark:hover {
    background-color: #1e293b;
    border-color: #1e293b;
    color: white;
    transform: translateY(-1px);
}

/* Light Button */
.btn-light {
    background-color: var(--card-bg);
    border-color: var(--card-border);
    color: var(--body-color);
}

.btn-light:hover {
    background-color: var(--card-elevated);
    border-color: var(--text-muted);
    color: var(--body-color);
}

/* Disabled state */
.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Circle Buttons */
.btn-circle {
    border-radius: 100%;
    height: 2.5rem;
    width: 2.5rem;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.btn-circle.btn-sm {
    height: 1.8rem;
    width: 1.8rem;
    font-size: 0.75rem;
}

.btn-circle.btn-lg {
    height: 3.5rem;
    width: 3.5rem;
    font-size: 1.25rem;
}

/* Action buttons with gradient backgrounds */
.btn-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    color: white;
}

.btn-gradient-primary:hover,
.btn-gradient-primary:focus {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--secondary-hover) 100%);
    transform: translateY(-2px);
    box-shadow: 0 0.3rem 0.5rem 0 rgba(58, 59, 69, 0.3);
}

/* Avatar styling */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    color: #495057;
}

/* User profile */
.profile-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: #6c757d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 500;
    color: #f8f9fa;
}

.profile-info h2 {
    margin-bottom: 0.25rem;
}

.profile-bio {
    color: #6c757d;
}

/* Prevent copy-paste of transformed text */
.no-copy {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Modal enhancements */
.modal-content {
    background-color: var(--modal-bg, #343a40);
    color: var(--modal-color, #e9ecef);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.modal-header {
    border-bottom: 1px solid var(--modal-border, rgba(255,255,255,0.1));
    transition: border-color 0.3s ease;
}

.modal-footer {
    border-top: 1px solid var(--modal-border, rgba(255,255,255,0.1));
    transition: border-color 0.3s ease;
}

/* Invert close button in dark mode, normal in light mode */
[data-bs-theme="dark"] .modal .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Toasts styling */
.toast {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.toast-header {
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

/* Loader/Spinner */
.loading-spinner {
    width: 3rem;
    height: 3rem;
}

/* Credits package cards */
.credits-package-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.credits-package-card {
    text-align: center;
    padding: 1.5rem;
}

.credits-package-amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 0.5rem;
}

.credits-package-price {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.credits-package-description {
    color: #6c757d;
    margin-bottom: 1.5rem;
}

/* Anti-CSRF token field - visually hidden */
.anti-csrf-field {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    z-index: -1;
}

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

/* Transformation Result Styling */
.result-separator {
    position: relative;
    text-align: center;
    margin-bottom: 1.5rem;
}

.result-separator:before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--card-border);
    z-index: 1;
}

.result-separator span {
    position: relative;
    display: inline-block;
    padding: 0 15px;
    background: var(--card-bg);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: var(--primary-color);
    z-index: 2;
}

.result-card {
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 0.15rem 1.75rem 0 var(--shadow-color);
    animation: slideUp 0.4s ease-out forwards;
}

.result-header {
    padding: 1rem 1.25rem;
    background-color: var(--card-header-bg);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.result-content {
    padding: 1.25rem;
}

.transformed-text {
    padding: 1rem;
    background-color: var(--highlight-color);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.result-metadata {
    display: flex;
    justify-content: flex-end;
    font-size: 0.8rem;
    color: var(--body-color);
    opacity: 0.7;
}

.result-actions {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--card-border);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* Transformation card styling */
.transformation-option label {
    height: 140px;
    border-radius: 0.75rem;
    border-width: 2px;
    transition: all 0.3s ease;
}

.transformation-option label:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1.5rem 0 var(--shadow-color);
}

.btn-check:checked + label {
    transform: translateY(-7px);
    box-shadow: 0 0.7rem 2rem 0 var(--shadow-color);
    border-width: 2px;
}

.char-counter {
    font-weight: 600;
    letter-spacing: 0.05em;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Responsive adjustments for larger screens */
@media (min-width: 768px) {
    .transformation-list {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
    
    .profile-avatar {
        width: 120px;
        height: 120px;
        font-size: 3rem;
    }
    
    .transformation-options {
        gap: 1.5rem;
    }
    
    .transformation-option {
        width: 180px;
    }
}