/* ============================================
   CardForge - Blue & White Theme
   ============================================ */

:root {
    --bg-primary: #f0f4f8;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --bg-input: rgba(241, 245, 249, 0.9);

    --border-color: rgba(148, 163, 184, 0.2);
    --border-hover: rgba(148, 163, 184, 0.35);
    --border-focus: rgba(59, 130, 246, 0.5);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;

    --accent-primary: #2563eb;
    --accent-primary-hover: #3b82f6;
    --accent-light: #dbeafe;
    --accent-gradient: linear-gradient(135deg, #2563eb 0%, #3b82f6 50%, #60a5fa 100%);
    --accent-glow: rgba(37, 99, 235, 0.2);

    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.08);
    --warning: #f59e0b;
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.06);

    --card-gradient: linear-gradient(135deg, #1e3a5f 0%, #1e40af 50%, #2563eb 100%);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 8px 24px rgba(15, 23, 42, 0.1);
    --shadow-glow: 0 4px 20px var(--accent-glow);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Background Effects */
.bg-effects {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.25;
    animation: orbFloat 20s ease-in-out infinite;
}

.bg-orb-1 {
    width: 600px;
    height: 600px;
    background: #93c5fd;
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.bg-orb-2 {
    width: 500px;
    height: 500px;
    background: #60a5fa;
    bottom: -150px;
    left: -100px;
    animation-delay: -7s;
}

.bg-orb-3 {
    width: 400px;
    height: 400px;
    background: #a5b4fc;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -14s;
    opacity: 0.12;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -40px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(40px, 30px) scale(1.02); }
}

/* App Container */
.app-container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 24px 40px;
}

/* Header */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    animation: slideDown 0.5s ease-out;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    color: white;
    box-shadow: var(--shadow-glow);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.logo-badge {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 3px 8px;
    background: var(--accent-gradient);
    color: white;
    border-radius: 20px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.header-stats {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border-color);
}

/* Main Content Layout */
.main-content {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 24px;
    animation: fadeIn 0.6s ease-out 0.2s both;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Glass Card */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

/* Panel Styles */
.control-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-title svg {
    color: var(--accent-primary);
}

.panel-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Input Styles */
.input-group {
    margin-bottom: 20px;
}

.input-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.input-wrapper {
    position: relative;
}

.input-field {
    width: 100%;
    padding: 12px 48px 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    transition: all var(--transition-normal);
    outline: none;
}

.input-field:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: #fff;
}

.input-field::placeholder {
    color: var(--text-muted);
    font-family: var(--font-sans);
}

.input-toggle {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
}

.input-toggle:hover {
    color: var(--text-secondary);
    background: rgba(37, 99, 235, 0.06);
}

/* Count Selector */
.count-selector {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.count-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.count-btn:hover {
    background: rgba(37, 99, 235, 0.06);
    color: var(--accent-primary);
}

.count-btn:active {
    background: rgba(37, 99, 235, 0.1);
}

.count-input {
    flex: 1;
    height: 44px;
    background: none;
    border: none;
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    outline: none;
    -moz-appearance: textfield;
}

.count-input::-webkit-outer-spin-button,
.count-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Generate Button */
.generate-btn {
    width: 100%;
    padding: 14px 24px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-glow);
}

.generate-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.generate-btn:hover::before {
    opacity: 1;
}

.generate-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px var(--accent-glow);
}

.generate-btn:active {
    transform: translateY(0);
}

.generate-btn.loading .btn-content { display: none; }
.generate-btn.loading .btn-loading { display: flex; }
.generate-btn .btn-loading { display: none; }

.btn-content, .btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Credit Card Preview */
.credit-card {
    position: relative;
    width: 100%;
    aspect-ratio: 1.586;
    background: var(--card-gradient);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.card-bg-pattern {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 80% 20%, rgba(96, 165, 250, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.15) 0%, transparent 50%);
}

.card-chip {
    position: relative;
    z-index: 1;
}

.card-type {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 1.4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 2px;
    font-style: italic;
    z-index: 1;
}

.card-number {
    font-family: var(--font-mono);
    font-size: 1.15rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.95);
    letter-spacing: 3px;
    position: relative;
    z-index: 1;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.card-details {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.card-detail {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.card-detail-label {
    font-size: 0.55rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-detail-value {
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    font-family: var(--font-mono);
}

/* Action Buttons */
.action-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.action-btn:hover {
    background: var(--accent-light);
    border-color: rgba(37, 99, 235, 0.2);
    color: var(--accent-primary);
}

.action-btn.danger-btn:hover {
    background: var(--danger-bg);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

/* Results */
.results-card {
    min-height: 400px;
    display: flex;
    flex-direction: column;
}

.results-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.empty-icon {
    color: var(--text-muted);
    opacity: 0.25;
    margin-bottom: 16px;
}

.empty-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.empty-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.results-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Result Card */
.result-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    transition: all var(--transition-normal);
    animation: resultSlideIn 0.4s ease-out both;
    position: relative;
    overflow: hidden;
}

.result-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--accent-gradient);
    border-radius: 0 3px 3px 0;
}

.result-item:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

@keyframes resultSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.result-index {
    display: flex;
    align-items: center;
    gap: 8px;
}

.result-badge {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--accent-primary);
    padding: 3px 10px;
    background: var(--accent-light);
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.status-badge {
    font-size: 0.6rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 20px;
    letter-spacing: 0.3px;
}

.status-new {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.15);
}

.status-query {
    background: rgba(245, 158, 11, 0.08);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.15);
}

.result-item.result-query::before {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.result-copy-btn {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.7rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

.result-copy-btn:hover {
    background: var(--accent-light);
    color: var(--accent-primary);
    border-color: rgba(37, 99, 235, 0.2);
}

.result-copy-btn.copied {
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.3);
    background: var(--success-bg);
}

.result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.result-field {
    display: flex;
    flex-direction: column;
    gap: 3px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.result-field:hover {
    background: var(--accent-light);
}

.result-field:active {
    transform: scale(0.98);
}

.result-field .copy-hint {
    position: absolute;
    top: 6px;
    right: 8px;
    font-size: 0.6rem;
    color: var(--accent-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
    font-weight: 500;
    pointer-events: none;
}

.result-field:hover .copy-hint {
    opacity: 1;
}

.result-field.copied-flash {
    background: var(--success-bg) !important;
}

.result-field.copied-flash .copy-hint {
    opacity: 1;
    color: var(--success);
}

.result-field.full-width {
    grid-column: 1 / -1;
}

.field-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

.field-value {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    font-family: var(--font-mono);
    word-break: break-all;
}

.field-value.card-num {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-primary);
    letter-spacing: 1.5px;
}

/* Toast */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease-out;
    font-size: 0.85rem;
    font-weight: 500;
    min-width: 220px;
    color: var(--text-primary);
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent-primary); }

.toast-icon {
    font-size: 1.2rem;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(40px); }
}

/* Textarea */
.textarea-field {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.8;
    transition: all var(--transition-normal);
    outline: none;
    resize: vertical;
    min-height: 120px;
}

.textarea-field:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    background: #fff;
}

.textarea-field::placeholder {
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.8rem;
}

.textarea-field:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Key Count Hint */
.key-count-hint {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Label Hint */
.label-hint {
    color: var(--text-muted);
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.7rem;
}

/* Progress Bar */
.progress-container {
    margin-top: 12px;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 3px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    text-align: center;
    margin-top: 6px;
}


/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.25);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.4);
}

/* Responsive */
@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .app-header {
        flex-direction: column;
        gap: 12px;
    }

    .card-number {
        font-size: 0.95rem;
        letter-spacing: 2px;
    }
}

@media (max-width: 600px) {
    .app-container {
        padding: 12px 12px 24px;
    }

    .panel-actions {
        flex-direction: column;
    }

    .result-grid {
        grid-template-columns: 1fr;
    }
}