/* ==========================================================================
   Gold Confluence Calculator - Premium Minimalist Design
   ========================================================================== */

/* Design Tokens & Core Settings */
:root {
    --bg-main: #090a0f;
    --bg-card: rgba(17, 18, 25, 0.7);
    --bg-input: #12131b;
    --border-color: rgba(255, 255, 255, 0.06);
    --border-focus: rgba(212, 175, 55, 0.4);
    
    --color-text-main: #f8fafc;
    --color-text-muted: #64748b;
    --color-text-dim: #94a3b8;
    
    --color-gold: #d4af37;
    --color-gold-hover: #f1c40f;
    --color-gold-glow: rgba(212, 175, 55, 0.15);
    
    --color-bullish: #10b981;
    --color-bearish: #ef4444;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --transition-smooth: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-main);
    background-image: radial-gradient(circle at 50% 0%, rgba(212, 175, 55, 0.05) 0%, transparent 50%);
    color: var(--color-text-main);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Print Protection */
@media print {
    body, html, #app-container {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }
}

/* Watermark Overlay */
.watermark-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
    opacity: 0.015; /* Diagonal, extremely subtle */
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(8, 1fr);
    user-select: none;
}

.watermark-text {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 1.5px;
    color: var(--color-text-main);
    transform: rotate(-25deg);
    text-align: center;
    white-space: nowrap;
    padding: 30px;
}

/* Security Shield Focus Blurring */
.security-shield-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(9, 10, 15, 0.85);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    z-index: 10000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 1;
    transition: opacity var(--transition-smooth);
}

.security-shield-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.shield-content {
    text-align: center;
    padding: 40px;
}

.shield-icon {
    font-size: 48px;
    color: var(--color-gold);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px var(--color-gold-glow));
}

.shield-content h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.shield-content p {
    color: var(--color-text-muted);
    font-size: 13.5px;
}

/* Glassmorphism main card layout */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
}

.modal-card {
    width: 100%;
    max-width: 460px;
    padding: 35px;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.2px;
}

.btn-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 18px;
    cursor: pointer;
    transition: color var(--transition-smooth);
}

.btn-close:hover {
    color: var(--color-text-main);
}

.subtitle {
    color: var(--color-text-muted);
    font-size: 13px;
    margin-top: 4px;
    margin-bottom: 24px;
}

/* Centered Containers */
#app-container {
    width: 100%;
    padding: 40px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Auth Cards */
.auth-card {
    width: 100%;
    max-width: 400px;
    padding: 40px 35px;
}

.brand {
    text-align: center;
    margin-bottom: 35px;
}

.logo-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    margin: 0 auto 16px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-icon {
    font-size: 18px;
    color: var(--color-gold);
}

.brand h1 {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.brand p {
    color: var(--color-text-muted);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2.5px;
}

/* Global Forms inputs */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 16px;
}

.form-row .form-group {
    flex: 1;
    margin-bottom: 0;
}

label {
    display: block;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"] {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--color-text-main);
    font-family: var(--font-sans);
    font-size: 14.5px;
    outline: none;
    transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

input:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px var(--color-gold-glow);
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type=number] {
    -moz-appearance: textfield;
}

/* Message Banners */
.error-banner, .warning-banner, .success-banner {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    line-height: 1.4;
}

.error-banner {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.15);
    color: #fca5a5;
}

.warning-banner {
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.15);
    color: #fde047;
}

.success-banner {
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.15);
    color: #a7f3d0;
}

.hidden {
    display: none !important;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 20px;
    border-radius: 10px;
    font-family: var(--font-sans);
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-smooth), border-color var(--transition-smooth), transform var(--transition-smooth);
    border: none;
    outline: none;
    gap: 6px;
}

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

.btn-full {
    display: flex;
    width: 100%;
}

.btn-large {
    padding: 14px 24px;
    font-size: 14.5px;
}

.btn-gold {
    background-color: var(--color-gold);
    color: #000;
}

.btn-gold:hover {
    background-color: var(--color-gold-hover);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--color-text-dim);
}

.btn-outline:hover {
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--color-text-main);
}

.btn-icon {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 10px;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
}

.config-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 12px;
    transition: color var(--transition-smooth);
}

.config-link:hover {
    color: var(--color-text-main);
}

/* ==========================================================================
   Centered Dashboard Card Design
   ========================================================================== */
.dashboard-card {
    width: 100%;
    max-width: 800px;
    padding: 35px;
    border: 1px solid var(--border-color);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 24px;
}

.header-brand h2 {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.3px;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 2px;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-bullish);
    border-radius: 50%;
}

.status-text {
    font-size: 10.5px;
    color: var(--color-text-muted);
    font-weight: 500;
}

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

/* Direction Switch */
.direction-selector-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 28px;
}

.direction-pill-toggle {
    display: flex;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3px;
}

.direction-btn {
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text-muted);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 12.5px;
    padding: 8px 16px;
    border-radius: 9px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background var(--transition-smooth), color var(--transition-smooth);
}

.direction-btn.bullish.active {
    background: rgba(16, 185, 129, 0.08);
    color: var(--color-bullish);
}

.direction-btn.bearish.active {
    background: rgba(239, 68, 68, 0.08);
    color: var(--color-bearish);
}

/* Dashboard Inputs Form */
.calculator-form {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 28px;
    margin-bottom: 28px;
}

.inputs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    margin-bottom: 24px;
}

.feed-section {
    display: flex;
    flex-direction: column;
}

.feed-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--color-text-main);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
}

.feed-icon {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 800;
    color: #fff;
}

.feed-icon.s1 { background-color: rgba(59, 130, 246, 0.2); color: #3b82f6; }
.feed-icon.s2 { background-color: rgba(168, 85, 247, 0.2); color: #a855f7; }

/* Tolerance slider styling */
.tolerance-wrapper {
    margin-bottom: 28px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.slider-badge {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 11.5px;
    color: var(--color-gold);
    font-weight: 600;
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-gold);
    cursor: pointer;
    box-shadow: 0 0 8px var(--color-gold-glow);
    transition: transform var(--transition-smooth);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* ==========================================================================
   Clean Results Display
   ========================================================================== */
.results-card {
    animation: fadeIn var(--transition-smooth) forwards;
}

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

.reversal-display {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin-bottom: 30px;
}

.target-label {
    font-size: 10.5px;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 2px;
}

.target-price-container {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -1px;
    margin: 10px 0;
    color: var(--color-text-main);
    display: flex;
    justify-content: center;
    align-items: center;
}

.target-price-container .dollar-sign {
    color: var(--color-gold);
    font-weight: 400;
    margin-right: 4px;
    font-size: 32px;
}

.target-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    font-size: 12.5px;
    color: var(--color-text-dim);
}

.meta-separator {
    color: rgba(255, 255, 255, 0.1);
}

.meta-text strong {
    color: var(--color-text-main);
}

/* Confidence rating badge minimal styling */
.badge-confidence {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-confidence.low { color: var(--color-text-muted); }
.badge-confidence.medium { color: var(--color-gold); }
.badge-confidence.high { color: var(--color-bullish); }

/* Reversal Zones List Section */
.reversal-zones-section h3 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.zones-list-wrapper {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    overflow: hidden;
}

.zones-header {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 0.8fr;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.015);
    border-bottom: 1px solid var(--border-color);
    font-size: 10px;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: 0.8px;
}

.zones-list {
    max-height: 240px;
    overflow-y: auto;
}

.zone-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 0.8fr;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    align-items: center;
    font-size: 13.5px;
    color: var(--color-text-dim);
    transition: background var(--transition-smooth);
}

.zone-row:last-child {
    border-bottom: none;
}

.zone-row:hover {
    background: rgba(255, 255, 255, 0.01);
}

.zone-row.primary-match {
    background: rgba(212, 175, 55, 0.03);
    color: var(--color-text-main);
}

.zone-row.primary-match div:first-child {
    color: var(--color-gold);
    font-weight: 700;
}

.zone-row .diff-val {
    color: var(--color-bullish);
    font-weight: 600;
}

.empty-zones {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    padding: 30px;
}

/* Responsive Grid adjustment */
@media (max-width: 640px) {
    .inputs-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .zones-header, .zone-row {
        grid-template-columns: 1.2fr 1fr 1.2fr;
    }
    /* Hide Forex level column on narrow mobile screens for readability */
    .zones-header span:nth-child(3),
    .zone-row div:nth-child(3) {
        display: none;
    }
}