/* ============================================
   JFusion - Modern Glassmorphism Dark Theme
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0e27;
    --bg-secondary: #1a1d35;
    --bg-tertiary: #252940;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    /* Accents */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-success: #10b981;
    --accent-danger: #ef4444;
    --accent-warning: #f59e0b;

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --gradient-danger: linear-gradient(135deg, #ee0979 0%, #ff6a00 100%);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   Base Styles
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background Gradient */
.bg-gradient {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 40% 90%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
    animation: gradientShift 20s ease infinite;
    z-index: -1;
}

@keyframes gradientShift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(5%, -5%) rotate(5deg); }
    66% { transform: translate(-5%, 5%) rotate(-5deg); }
}

/* ============================================
   Container & Layout
   ============================================ */

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-lg);
    position: relative;
    z-index: 1;
}

/* ============================================
   Header
   ============================================ */

.header {
    text-align: center;
    margin-bottom: var(--space-xl);
    animation: fadeInDown 0.6s ease;
}

.header-content {
    backdrop-filter: blur(10px);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    box-shadow: var(--glass-shadow);
}

.title {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
    text-align: center;
}

.icon {
    font-size: 3rem;
    filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.5));
    display: inline-block;
    margin-right: var(--space-sm);
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 0.5px;
    text-align: center;
}

/* ============================================
   Cards (Glassmorphism)
   ============================================ */

.card {
    backdrop-filter: blur(16px) saturate(180%);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--glass-shadow);
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.6s ease;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 48px 0 rgba(0, 0, 0, 0.5);
}

.results-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.results-card .section-title {
    justify-content: center;
}

/* ============================================
   Form Sections
   ============================================ */

.form-section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--glass-border);
}

.form-section:last-of-type {
    border-bottom: none;
}

.section-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-primary);
}

.section-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
}

/* ============================================
   Form Elements
   ============================================ */

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input,
.select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.input:focus,
.select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.input::placeholder {
    color: var(--text-tertiary);
}

.select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.hint {
    display: block;
    margin-top: var(--space-xs);
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-style: italic;
}

/* Readonly input */
.input-readonly {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    cursor: not-allowed;
    color: var(--accent-primary);
    font-weight: 600;
}

.input-readonly:focus {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: none;
}

/* ============================================
   Volume Cards Selection
   ============================================ */

.volume-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.volume-card {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.volume-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.volume-card:hover {
    border-color: rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.volume-card:hover::before {
    opacity: 0.1;
}

.volume-card.active {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.2);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.volume-card.active::before {
    opacity: 0.2;
}

.volume-multiplier {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.volume-hint {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-tertiary);
    font-variant-numeric: tabular-nums;
    font-family: 'Courier New', monospace;
}

.volume-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.volume-card.active .volume-multiplier {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.volume-card.active .volume-hint {
    color: var(--text-secondary);
}

.volume-card.active .volume-value {
    color: var(--text-primary);
    font-weight: 600;
}

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

.form-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    justify-content: center;
}

.btn {
    flex: 1;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.btn-single {
    flex: 0 1 auto;
    min-width: 250px;
    margin: 0 auto;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.6);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-group {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    align-items: center;
}

.btn-single {
    width: auto;
    min-width: 200px;
}

/* Import button at top of card */
.import-section {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--glass-border);
}

.btn-import-top {
    width: auto;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
}

.results-actions {
    display: flex;
    justify-content: center;
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

/* Loader Spinner */
.loader {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   Alert
   ============================================ */

.alert {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    backdrop-filter: blur(10px);
    animation: slideInDown 0.4s ease;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

/* ============================================
   Results Rows
   ============================================ */

.results-row {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.results-row:last-child {
    margin-bottom: 0;
}

.row-2col {
    grid-template-columns: repeat(2, 1fr);
}

.row-3col {
    grid-template-columns: repeat(3, 1fr);
}

.row-1col {
    grid-template-columns: 1fr;
}

.result-item {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-normal);
}

.result-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.result-item.highlight {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border: 1px solid rgba(99, 102, 241, 0.4);
}

.result-label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-xs);
    font-weight: 500;
}

.result-value {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.result-value.highlight-value {
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Direction colors */
.direction-buy {
    color: var(--accent-success);
}

.direction-sell {
    color: var(--accent-danger);
}

/* Correction badge style */
#resultCorrection {
    color: var(--accent-primary);
    font-weight: 700;
}

/* Take Profit special style */
.tp-item {
    padding: var(--space-lg);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.15) 0%, rgba(245, 158, 11, 0.15) 100%) !important;
    border: 2px solid rgba(251, 191, 36, 0.5) !important;
}

.tp-value {
    font-size: 2rem !important;
    color: #10b981 !important;
    text-shadow: 0 0 20px rgba(16, 185, 129, 0.6);
    font-weight: 700 !important;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    text-align: center;
    padding: var(--space-lg) 0;
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

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

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

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

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

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

@media (max-width: 768px) {
    .container {
        padding: var(--space-md);
    }

    .title {
        font-size: 2rem;
    }

    .icon {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .row-2col,
    .row-3col {
        grid-template-columns: repeat(2, 1fr);
    }

    .card {
        padding: var(--space-md);
    }

    /* Volume cards responsive */
    .volume-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.1rem;
    }

    .row-2col,
    .row-3col {
        grid-template-columns: 1fr;
    }

    .result-value {
        font-size: 1.1rem;
    }

    .result-value.highlight-value {
        font-size: 1.3rem;
    }

    .tp-value {
        font-size: 1.5rem !important;
    }

    /* Volume cards single column on mobile */
    .volume-cards {
        grid-template-columns: 1fr;
    }

    .volume-card {
        padding: var(--space-sm);
    }

    .volume-multiplier {
        font-size: 0.85rem;
    }

    .volume-hint {
        font-size: 0.7rem;
    }

    .volume-value {
        font-size: 0.9rem;
    }
}

/* ============================================
   Progressive Reveal - Hidden Sections
   ============================================ */

.section-hidden {
    display: none;
    opacity: 0;
    transform: translateY(20px);
}

.section-visible {
    display: block;
    animation: slideInDown 0.5s ease forwards;
}

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

/* ============================================
   Accessibility
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .bg-gradient,
    .btn,
    .form-actions {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}