/* ====================================
   MODERN CHECKOUT - Material Design 3.0
   Clean, Elegant & Contemporary
   ==================================== */

:root {
    /* Primary Brand Colors */
    --brand-color: #6366f1;
    --brand-color-hover: #4f46e5;
    --brand-color-light: rgba(99, 102, 241, 0.08);
    --brand-color-surface: rgba(99, 102, 241, 0.05);
    
    /* Neutral Palette */
    --surface-primary: #ffffff;
    --surface-secondary: #f8fafc;
    --surface-tertiary: #f1f5f9;
    --surface-elevated: #ffffff;
    
    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Semantic Colors */
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.1);
    --error: #ef4444;
    --error-light: rgba(239, 68, 68, 0.1);
    --info: #3b82f6;
    --info-light: rgba(59, 130, 246, 0.1);
    
    /* Border & Dividers */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --divider: #f1f5f9;
    
    /* Shadows - Soft & Elegant */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    
    /* Spacing System */
    --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 - Modern & Soft */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Legacy Support Variables */
    --oracle-bg: var(--surface-secondary);
    --oracle-bg-secondary: var(--surface-tertiary);
    --oracle-text: var(--text-primary);
    --oracle-text-muted: var(--text-secondary);
    --oracle-accent: var(--brand-color);
    --oracle-accent-hover: var(--brand-color-hover);
    --oracle-card-bg: var(--surface-primary);
    --oracle-border: var(--border-light);
    --oracle-input-bg: var(--surface-primary);
    --oracle-shadow: var(--shadow-md);
    --oracle-radius: var(--radius-md);
    --oracle-header-bg: var(--text-primary);
    --oracle-summary-header: var(--surface-tertiary);
    --oracle-footer-bg: var(--text-primary);
    --oracle-modal-bg: var(--surface-primary);
}

/* ====================================
   DARK THEME
   ==================================== */
[data-theme="dark"] {
    --brand-color-light: rgba(99, 102, 241, 0.15);
    --brand-color-surface: rgba(99, 102, 241, 0.08);
    
    --surface-primary: #1e1e2e;
    --surface-secondary: #181825;
    --surface-tertiary: #11111b;
    --surface-elevated: #262637;
    
    --text-primary: #cdd6f4;
    --text-secondary: #a6adc8;
    --text-tertiary: #6c7086;
    
    --border-light: #313244;
    --border-medium: #45475a;
    --divider: #313244;
    
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.2);
    
    --oracle-bg: var(--surface-secondary);
    --oracle-bg-secondary: var(--surface-tertiary);
    --oracle-text: var(--text-primary);
    --oracle-text-muted: var(--text-secondary);
    --oracle-card-bg: var(--surface-primary);
    --oracle-border: var(--border-light);
    --oracle-input-bg: var(--surface-elevated);
    --oracle-header-bg: var(--surface-tertiary);
    --oracle-summary-header: var(--surface-elevated);
    --oracle-footer-bg: var(--surface-tertiary);
    --oracle-modal-bg: var(--surface-primary);
}

/* ====================================
   BASE STYLES
   ==================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: linear-gradient(135deg, var(--surface-secondary) 0%, var(--surface-tertiary) 100%);
    color: var(--text-primary);
    font-size: 0.9375rem;
    line-height: 1.6;
    min-height: 100vh;
    padding-bottom: 100px;
    transition: background var(--transition-slow), color var(--transition-slow);
}

/* ====================================
   HEADER - Glass Morphism
   ==================================== */
.header-oracle {
    background: linear-gradient(135deg, var(--oracle-header-bg) 0%, #1e293b 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    color: var(--text-inverse);
    padding: var(--space-4) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-logo i {
    color: var(--brand-color);
    font-size: 1.5rem;
}

/* Header Buttons */
.header-oracle .btn-outline-light {
    border: none;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    padding: var(--space-2) var(--space-3);
    transition: all var(--transition-normal);
}

.header-oracle .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-1px);
}

/* Language Dropdown */
#langDropdown {
    min-width: 160px;
    font-size: 0.875rem;
    font-weight: 500;
}

.dropdown-menu {
    background: var(--surface-elevated);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-2);
    margin-top: var(--space-2) !important;
    backdrop-filter: blur(20px);
}

.dropdown-item {
    color: var(--text-primary);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--brand-color-light);
    color: var(--brand-color);
    transform: translateX(4px);
}

.dropdown-item .fi {
    font-size: 1.125rem;
}

/* ====================================
   CARDS - Elevated & Modern
   ==================================== */
.checkout-card {
    background: var(--surface-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--space-5);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-header-custom {
    background: linear-gradient(135deg, var(--surface-tertiary) 0%, var(--surface-secondary) 100%);
    border-bottom: 1px solid var(--border-light);
    padding: var(--space-3) var(--space-6);
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    letter-spacing: -0.01em;
}

.card-header-custom i {
    color: var(--brand-color);
    font-size: 1.125rem;
    margin-right: var(--space-2);
}

.card-body-custom {
    padding: var(--space-6);
}

/* ====================================
   FORM INPUTS - Material Design 3.0
   ==================================== */
.form-floating {
    position: relative;
}

.form-floating > .form-control,
.form-floating > .form-select {
    height: 3.5rem;
    min-height: 3.5rem;
    font-size: 1rem;
    font-weight: 500;
    padding: 1.625rem var(--space-4) 0.625rem;
    background-color: var(--surface-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

.form-floating > .form-control:hover,
.form-floating > .form-select:hover {
    background-color: var(--surface-secondary);
}

.form-floating > .form-control:focus,
.form-floating > .form-select:focus {
    background-color: var(--surface-primary);
    border-color: var(--brand-color);
    box-shadow: 0 0 0 4px var(--brand-color-light);
    outline: none;
}

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem var(--space-4);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-tertiary);
    pointer-events: none;
    transform-origin: 0 0;
    transition: all var(--transition-fast);
    background: transparent !important;
    border: none;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--brand-color);
    transform: translateY(-0.5rem);
    padding: 0.5rem var(--space-4);
}

.form-floating > label::after {
    display: none !important;
}

/* Validation States */
.form-control.is-invalid,
.was-validated .form-control:invalid {
    border-color: var(--error);
    background-image: none;
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 4px var(--error-light);
}

.invalid-feedback {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--error);
    margin-top: var(--space-2);
}

/* Form Control Placeholders */
.form-floating > .form-control::placeholder {
    opacity: 0;
}

.form-floating > .form-control:focus::placeholder {
    opacity: 0.5;
    color: var(--text-tertiary);
}

/* ====================================
   INPUT GROUP - ZIP Code
   ==================================== */
.input-group {
    display: flex;
}

.input-group .form-floating {
    flex: 1;
}

.input-group .form-floating .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group .btn {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 0 var(--space-5);
    background: var(--surface-tertiary);
    border: 2px solid transparent;
    border-left: none;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.input-group .btn:hover {
    background: var(--brand-color-light);
    color: var(--brand-color);
}

.input-group .form-floating .form-control:focus + .btn,
.input-group:focus-within .btn {
    border-color: var(--brand-color);
    background: var(--brand-color-light);
    color: var(--brand-color);
}

/* ====================================
   PHONE INPUT GROUP
   ==================================== */
.phone-unified-group {
    display: flex;
    gap: 0;
}

.phone-unified-group .form-floating:first-child {
    flex: 0 0 140px;
    max-width: 140px;
}

.phone-unified-group .form-floating:first-child .form-select {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: 1px solid var(--border-light);
}

.phone-unified-group .form-floating:last-child {
    flex: 1;
}

.phone-unified-group .form-floating:last-child .form-control {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* ====================================
   SELECT STYLING
   ==================================== */
.form-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-size: 16px 12px;
}

[data-theme="dark"] .form-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236c7086' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
}

/* ====================================
   CHECKBOX STYLING
   ==================================== */
.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-medium);
    border-radius: var(--radius-sm);
    background-color: var(--surface-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-check-input:hover {
    border-color: var(--brand-color);
}

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

.form-check-input:focus {
    box-shadow: 0 0 0 4px var(--brand-color-light);
    border-color: var(--brand-color);
}

.form-check-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
}

/* ====================================
   PAYMENT METHOD BUTTONS
   ==================================== */
.btn-group {
    gap: var(--space-4);
    display: flex;
    flex-wrap: wrap;
}
.btn-group label.btn {
    flex: 1;
    min-width: 100px;
    padding: var(--space-4) var(--space-3);
    border-radius: var(--radius-lg) !important;
    border: 2px solid var(--border-light);
    background: var(--surface-tertiary);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 600;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    transition: all var(--transition-normal);
    text-align: center;
}

.btn-group label.btn:hover {
    border-color: var(--brand-color);
    background: var(--brand-color-light);
    color: var(--brand-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-check:checked + label.btn {
    border-color: var(--brand-color);
    background: linear-gradient(135deg, var(--brand-color) 0%, var(--brand-color-hover) 100%);
    color: var(--text-inverse);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-2px) scale(1.02);
}

.payment-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-spring);
    margin-right: var(--space-2);
}

.btn-check:checked + label .payment-icon {
    transform: scale(1.1);
}

@media (max-width: 576px) {
    .btn-group label.btn {
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .payment-icon {
        margin-right: 0;
        margin-bottom: var(--space-2);
    }
}

/* ====================================
   PRIMARY BUTTON - Gradient & Glow
   ==================================== */
.btn-oracle {
    background: linear-gradient(135deg, var(--brand-color) 0%, var(--brand-color-hover) 100%);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-full);
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    width: 100%;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md), 0 4px 20px rgba(99, 102, 241, 0.3);
}

.btn-oracle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-oracle:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), 0 8px 30px rgba(99, 102, 241, 0.4);
    color: var(--text-inverse);
}

.btn-oracle:hover::before {
    left: 100%;
}

.btn-oracle:active {
    transform: translateY(-1px);
}

/* Button for input-group (Apply button) */
.btn-oracle-sm {
    background: linear-gradient(135deg, var(--brand-color) 0%, var(--brand-color-hover) 100%);
    color: var(--text-inverse);
    border: none;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--space-3) var(--space-5);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
}

.btn-oracle-sm:hover {
    background: linear-gradient(135deg, var(--brand-color-hover) 0%, var(--brand-color) 100%);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md), 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-oracle-sm:active {
    transform: scale(0.98);
}

/* ====================================
   SECONDARY BUTTON
   ==================================== */
.btn-outline-secondary {
    border: 2px solid var(--border-medium);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-normal);
}

.btn-outline-secondary:hover {
    border-color: var(--brand-color);
    background: var(--brand-color-light);
    color: var(--brand-color);
}

[data-theme="dark"] .btn-outline-secondary {
    border-color: var(--border-light);
    color: var(--text-secondary);
}

[data-theme="dark"] .btn-outline-secondary:hover,
[data-theme="dark"] .btn-check:checked + .btn-outline-secondary {
    border-color: var(--brand-color);
    background: var(--brand-color);
    color: var(--text-inverse);
}

/* ====================================
   ADDRESS DISPLAY
   ==================================== */
#address-container .p-2 {
    background: var(--surface-tertiary) !important;
    border: 2px solid var(--border-light) !important;
    border-radius: var(--radius-md);
    padding: var(--space-4) !important;
}

#address-container .text-accent {
    color: var(--brand-color) !important;
}

/* ====================================
   PROMO CODE INPUT
   ==================================== */
#promo-msg {
    font-size: 0.8125rem;
    padding: var(--space-2) 0;
}

/* ====================================
   SIGNATURE PAD
   ==================================== */
.signature-pad {
    border: 2px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    background: var(--surface-primary);
    cursor: crosshair;
    width: 100%;
    transition: border-color var(--transition-normal);
}

.signature-pad:hover {
    border-color: var(--brand-color);
}

/* Signature Tabs */
.signature-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
    border-bottom: 2px solid var(--border-light);
    padding-bottom: 0;
}

.signature-tab {
    padding: var(--space-3) var(--space-5);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-tertiary);
    font-weight: 600;
    font-size: 0.875rem;
    position: relative;
    transition: all var(--transition-normal);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.signature-tab:hover {
    color: var(--text-secondary);
    background: var(--surface-tertiary);
}

.signature-tab.active {
    color: var(--brand-color);
    background: var(--brand-color-light);
}

.signature-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--brand-color);
}

.signature-type-content {
    display: none;
}

.signature-type-content.active {
    display: block;
}

.signature-preview {
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--surface-primary);
    margin-top: var(--space-4);
}

.signature-text {
    font-size: 2.5rem;
    font-family: 'Brush Script MT', cursive;
    color: var(--text-primary);
}

.signature-font-selector {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

.font-option {
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    background: var(--surface-primary);
    font-size: 1.25rem;
}

.font-option:hover {
    border-color: var(--brand-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.font-option.selected {
    border-color: var(--brand-color);
    background: var(--brand-color-light);
    box-shadow: var(--shadow-md);
}

/* ====================================
   CARD BRAND DETECTION
   ==================================== */
.has-card-brand {
    position: relative;
}

.card-brand-icon {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    opacity: 0;
    transition: all var(--transition-spring);
    z-index: 10;
    pointer-events: none;
}

.card-brand-icon.show {
    opacity: 1;
    animation: brandBounce 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes brandBounce {
    0% { opacity: 0; transform: translateY(-50%) scale(0.5); }
    50% { transform: translateY(-50%) scale(1.1); }
    100% { opacity: 1; transform: translateY(-50%) scale(1); }
}

.has-card-brand .form-control {
    padding-right: 4rem;
}

.form-floating.has-card-brand {
    position: relative;
}

.form-floating.has-card-brand .form-control {
    padding-right: 4rem;
}

/* ====================================
   FLAG INDICATORS
   ==================================== */
.flag-indicator {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 5;
}

.flag-indicator .fi {
    font-size: 1.125rem;
}

.has-flag {
    padding-left: 2.75rem !important;
}

.form-floating .flag-indicator {
    left: var(--space-3);
    top: 50%;
    transform: translateY(-50%);
    margin-top: 4px;
}

#langDropdown .fi {
    font-size: 1.25rem;
}

/* ====================================
   FOOTER
   ==================================== */
.footer-fixed {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(135deg, var(--oracle-footer-bg) 0%, #1e293b 100%);
    color: var(--text-tertiary);
    padding: var(--space-5) 0;
    font-size: 0.8125rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 999;
    backdrop-filter: blur(20px);
}

.footer-fixed strong {
    color: var(--text-inverse);
}

/* ====================================
   MODALS
   ==================================== */
.modal-content {
    background: var(--surface-primary);
    color: var(--text-primary);
    border: none;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-header {
    border-bottom: 1px solid var(--border-light);
    padding: var(--space-5) var(--space-6);
    background: var(--surface-tertiary);
}

.modal-title {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    border-top: 1px solid var(--border-light);
    padding: var(--space-4) var(--space-6);
    background: var(--surface-tertiary);
}

.modal-body.bg-light {
    background: var(--surface-tertiary) !important;
}

[data-theme="dark"] .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* ====================================
   RESULT SCREENS
   ==================================== */
.result-container {
    display: none;
    text-align: center;
    padding: var(--space-12);
    animation: fadeInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.qr-placeholder img {
    max-width: 220px;
    border: 2px solid var(--border-light);
    padding: var(--space-4);
    background: var(--surface-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

.animate-on-load {
    opacity: 0;
    animation: fadeInUp 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-header {
    opacity: 0;
    animation: fadeInDown 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.animate-scale {
    opacity: 0;
    animation: scaleIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Stagger Animation Delays */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }
.animate-delay-6 { animation-delay: 0.6s; }

/* ====================================
   UTILITY CLASSES
   ==================================== */
.text-accent {
    color: var(--brand-color) !important;
}

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

.bg-light {
    background-color: var(--surface-tertiary) !important;
}

.border {
    border-color: var(--border-light) !important;
}

/* ====================================
   TERMS LINK
   ==================================== */
.link-terms {
    color: var(--brand-color);
    text-decoration: none !important;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.link-terms:hover {
    color: var(--brand-color-hover);
    text-decoration: underline !important;
}

/* ====================================
   SIG STATUS
   ==================================== */
#sig-status {
    background: var(--success-light) !important;
    border-color: var(--success) !important;
    color: var(--success);
}

#sig-status i {
    color: var(--success);
}

/* ====================================
   PIX SECTIONS
   ==================================== */
#section-pix,
#section-pix_auto,
#section-debit {
    background: var(--surface-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--space-6) !important;
}

#section-pix i,
#section-pix_auto i,
#section-debit i {
    color: var(--brand-color);
    font-size: 2.5rem;
    margin-bottom: var(--space-3);
}

/* ====================================
   RECAPTCHA STYLING
   ==================================== */
.g-recaptcha {
    transform: scale(0.95);
    transform-origin: center;
}

/* ====================================
   PAYMENT ONLY MODE
   ==================================== */
#mainContainer.payment-only-mode .col-lg-7 {
    display: none;
}

#mainContainer.payment-only-mode .col-lg-5 {
    max-width: 650px;
    flex: 0 0 100%;
    margin: 0 auto;
}

@media (min-width: 1200px) {
    #mainContainer.payment-only-mode .col-lg-5 {
        max-width: 600px;
    }
}

/* ====================================
   RESPONSIVE DESIGN
   ==================================== */
@media (max-width: 768px) {
    body {
        font-size: 0.875rem;
        padding-bottom: 120px;
    }
    
    .card-body-custom {
        padding: var(--space-5);
    }
    
    .card-header-custom {
        padding: var(--space-4) var(--space-5);
    }
    
    .btn-group label.btn {
        padding: var(--space-3) var(--space-2);
        font-size: 0.75rem;
    }
    
    .payment-icon {
        font-size: 1.25rem;
    }
    
    .footer-fixed {
        padding: var(--space-4) 0;
        font-size: 0.75rem;
    }
    
    .phone-unified-group .form-floating:first-child {
        flex: 0 0 120px;
        max-width: 120px;
    }
    
    .modal-content {
        border-radius: var(--radius-lg);
    }
    
    .header-oracle {
        padding: var(--space-3) 0;
    }
    
    .header-logo {
        font-size: 1.125rem;
    }
    
    #langDropdown {
        min-width: auto;
    }
    
    #currentLangText {
        display: none;
    }
}

/* Main layout tweaks */
/* Slightly increase max width of the main container for more breathing room */
#mainContainer.container {
    max-width: 1400px;
}

@media (max-width: 576px) {
    .btn-group {
        flex-direction: column;
    }
    
    .btn-group label.btn {
        flex-direction: row;
        justify-content: center;
    }
    
    .checkout-card {
        border-radius: var(--radius-lg);
    }
    
    .signature-font-selector {
        flex-direction: column;
    }
    
    .font-option {
        text-align: center;
    }
}

/* ====================================
   SCROLLBAR STYLING
   ==================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-medium);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ====================================
   SELECTION STYLING
   ==================================== */
::selection {
    background: var(--brand-color);
    color: var(--text-inverse);
}

/* ====================================
   FOCUS VISIBLE
   ==================================== */
:focus-visible {
    outline: 2px solid var(--brand-color);
    outline-offset: 2px;
}

/* ====================================
   PRINT STYLES
   ==================================== */
@media print {
    .header-oracle,
    .footer-fixed {
        display: none;
    }
    
    body {
        background: white;
        padding: 0;
    }
    
    .checkout-card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* ==========================================
   LOADING SCREEN
   ========================================== */
.builder-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 999999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.builder-loading.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.builder-loading-content {
  text-align: center;
}

.builder-loading-logo {
  font-size: 48px;
  font-weight: 700;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 30px;
  animation: fadeInUp 0.6s ease;
}

.builder-loading-spinner {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  position: relative;
  animation: fadeInUp 0.6s ease 0.2s backwards;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.builder-loading-spinner::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid #6366f1;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-sizing: border-box;
}

.builder-loading-spinner::after {
    content: '';
    position: absolute;
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
    border: 4px solid #8b5cf6;
    border-bottom-color: transparent;
    border-radius: 50%;
    animation: spin 1.5s linear infinite reverse;
    box-sizing: border-box;
}

.builder-loading-text {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 1px;
  animation: fadeInUp 0.6s ease 0.4s backwards;
}

/* ==========================================
   LOADING ANIMATION
   ========================================== */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.loading {
  animation: pulse 1.5s ease-in-out infinite;
}