/* =====================================================
   POSITION SIGNALS PANEL - DESIGN SYSTEM
   Inspired by Backtest Model Creator
   ===================================================== */

:root {
    /* Spacing System (8px base) */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 12px;
    --space-lg: 16px;
    --space-xl: 20px;
    --space-2xl: 24px;
    --space-3xl: 32px;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Color Palette - Minimalist Dark Theme */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-tertiary: #1a1a1a;
    --color-bg-accent: #222222;
    --color-text-primary: #ffffff;
    --color-text-secondary: #e0e0e0;
    --color-text-tertiary: #b0b0b0;
    --color-border: #333333;
    --color-border-light: #444444;
    --color-border-accent: #555555;

    /* Status Colors */
    --color-success: #00d4aa;
    --color-success-hover: #00c49a;
    --color-success-light: rgba(0, 212, 170, 0.1);
    --color-danger: #ff4757;
    --color-danger-hover: #ff3742;
    --color-danger-light: rgba(255, 71, 87, 0.1);
    --color-warning: #ffa726;
    --color-info: #42a5f5;

    /* Minimalist Gradients */
    --gradient-primary: linear-gradient(135deg, #000000 0%, #333333 100%);
    --gradient-secondary: linear-gradient(135deg, #111111 0%, #222222 100%);
    --gradient-accent: linear-gradient(135deg, #1a1a1a 0%, #333333 100%);
    --gradient-button: linear-gradient(135deg, #000000 0%, #444444 100%);
    --gradient-button-hover: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    --gradient-success: linear-gradient(135deg, #00d4aa 0%, #00c49a 100%);

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);

    /* Transitions */
    --transition-fast: 0.15s;
    --transition-normal: 0.25s;
    --transition-slow: 0.4s;
}

/* =====================================================
   RESET & BASE STYLES
   ===================================================== */

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

.right-panel {
    font-family: var(--font-primary);
    background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
    color: var(--color-text-secondary);
    line-height: 1.45;
    width: min(420px, 100%);
    max-width: 100%;
    height: min(100vh, 90dvh);
    max-height: min(100vh, 90dvh);
    overflow: hidden;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    box-shadow: var(--shadow-xl);
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */

.right-panel h1 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.025em;
    line-height: 1.3;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.right-panel h2,
.right-panel h3 {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-xs);
    color: var(--color-text-primary);
    letter-spacing: 0;
    line-height: 1.3;
    font-family: system-ui, sans-serif;
}

.right-panel p {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    margin-bottom: var(--space-lg);
    color: var(--color-text-secondary);
    line-height: 1.6;
    text-align: left;
}

/* =====================================================
   PANELS & CONTAINERS
   ===================================================== */

.subscription-form,
.section {
    background: var(--gradient-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    transition: all var(--transition-normal) ease;
    padding: var(--space-md);
    min-height: 0;
}

.subscription-form:hover,
.section:hover {
    border-color: var(--color-border-light);
    box-shadow: var(--shadow-xl);
}

.subscription-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    flex: 0 0 auto;
}

.section {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

#trackrecord-section {
    flex: 0 0 auto;
}

#position-signals {
    flex: 1 1 auto;
    overflow: hidden;
}

.panel-toggle-row {
    margin-top: var(--space-xs);
}

.section-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-sm);
}

.section-title-group {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.section-caption {
    margin: 0;
    font-size: 12px;
    color: var(--color-text-tertiary);
    line-height: 1.4;
}

.info-badge {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1px solid var(--color-border-light);
    background: rgba(255, 255, 255, 0.02);
    color: var(--color-text-tertiary);
    font-size: 11px;
    font-weight: var(--font-weight-bold);
    line-height: 1;
    cursor: help;
    transition: all var(--transition-fast) ease;
}

.info-badge:hover,
.info-badge:focus-visible {
    color: var(--color-text-primary);
    border-color: var(--color-border-accent);
    outline: none;
}

.info-badge::after {
    content: attr(data-tooltip);
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: 220px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    background: rgba(10, 10, 10, 0.96);
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    font-size: 11px;
    font-weight: var(--font-weight-normal);
    line-height: 1.45;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-4px);
    transition: opacity var(--transition-fast) ease, transform var(--transition-fast) ease;
    z-index: 10;
}

.info-badge:hover::after,
.info-badge:focus-visible::after {
    opacity: 1;
    transform: translateY(0);
}

/* =====================================================
   FORM ELEMENTS
   ===================================================== */

.email-display-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--gradient-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal) ease;
}

.email-display-container:hover {
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-md);
}

#email-display {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

.edit-email-icon {
    cursor: pointer;
    fill: var(--color-text-tertiary);
    transition: all var(--transition-fast) ease;
    width: 16px;
    height: 16px;
}

.edit-email-icon:hover {
    fill: var(--color-text-primary);
    transform: scale(1.1);
}

#email-edit-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

#email-edit-container label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

#email-input {
    padding: var(--space-sm) var(--space-md);
    background: linear-gradient(135deg, var(--color-bg-tertiary) 0%, var(--color-bg-accent) 100%);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: all var(--transition-normal) ease;
    width: 100%;
}

#email-input:focus {
    outline: none;
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px var(--color-success-light);
    background: linear-gradient(135deg, var(--color-bg-accent) 0%, var(--color-bg-tertiary) 100%);
}

.save-email-btn {
    background: var(--gradient-success);
    color: var(--color-bg-primary);
    border: 1px solid var(--color-success);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    position: relative;
    overflow: hidden;
    height: 32px;
    box-shadow: var(--shadow-sm);
    align-self: flex-start;
}

.save-email-btn::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 var(--transition-slow) ease;
}

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

.save-email-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-success-hover);
}

/* =====================================================
   TOGGLE SWITCH
   ===================================================== */

.toggle-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--gradient-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal) ease;
}

.toggle-label:hover {
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-md);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 20px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch input:disabled + .slider {
    background: var(--color-border-accent);
    cursor: not-allowed;
    opacity: 0.6;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--color-border) 0%, var(--color-border-light) 100%);
    transition: all var(--transition-normal) ease;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background: var(--color-text-primary);
    transition: transform var(--transition-normal) ease;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

input:checked + .slider {
    background: var(--gradient-success);
    box-shadow: 0 0 12px rgba(0, 212, 170, 0.3);
}

input:checked + .slider:before {
    transform: translateX(24px);
}

.toggle-label span {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

/* =====================================================
   STATUS ELEMENTS
   ===================================================== */

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.status-light {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    transition: all var(--transition-normal) ease;
    box-shadow: 0 0 8px rgba(255, 0, 0, 0.3);
}

.status-light.active {
    background-color: var(--color-success);
    box-shadow: 0 0 12px rgba(0, 212, 170, 0.4);
}

/* =====================================================
   INTRO SECTION
   ===================================================== */

.intro-section {
    text-align: left;
}

/* =====================================================
   SIGNALS CONTAINER
   ===================================================== */

.signals-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    flex: 1 1 auto;
    min-height: 0;
}

.buy-signals-panel,
.sell-signals-panel {
    background: var(--gradient-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 10px;
    transition: all var(--transition-normal) ease;
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-height: 0;
}

.buy-signals-panel:hover,
.sell-signals-panel:hover {
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-md);
}

.buy-signals-panel h3 {
    color: var(--color-success);
    border-bottom: 1px solid var(--color-success);
    padding-bottom: var(--space-xs);
    margin-bottom: var(--space-md);
}

.sell-signals-panel h3 {
    color: var(--color-danger);
    border-bottom: 1px solid var(--color-danger);
    padding-bottom: var(--space-xs);
    margin-bottom: var(--space-md);
}

#buy-signals,
#sell-signals {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    overflow-y: auto;
    min-height: 0;
    padding-right: 2px;
}

#buy-signals li,
#sell-signals li {
    padding: var(--space-sm) var(--space-md);
    background: var(--gradient-secondary);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: all var(--transition-normal) ease;
    position: relative;
}

.signal-card {
    background: rgba(255, 255, 255, 0.02);
    border-left-width: 3px;
    border-left-style: solid;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 10px 12px;
}

.signal-card.buy {
    border-left-color: var(--color-success);
}

.signal-card.sell {
    border-left-color: var(--color-danger);
}

.signal-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-bottom: 6px;
}

.signal-card__type {
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.03em;
}

.signal-card.buy .signal-card__type {
    color: var(--color-success);
}

.signal-card.sell .signal-card__type {
    color: var(--color-danger);
}

.signal-card__time {
    font-size: 11px;
    color: #666;
    white-space: nowrap;
}

.signal-card__price {
    color: var(--color-text-secondary);
    font-size: 13px;
}

.signal-card__price span {
    margin-left: 4px;
    color: var(--color-text-primary);
    font-weight: var(--font-weight-semibold);
}

.signal-card__note {
    margin-top: 8px;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--color-text-tertiary);
    font-size: 11px;
    font-style: italic;
}

.signal-empty {
    color: #666;
    font-size: 12px;
    padding: 10px;
    border: 1px dashed var(--color-border-light);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
}

#buy-signals li:hover,
#sell-signals li:hover {
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.trackrecord-container {
    min-height: 0;
}

.trackrecord-container .stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 8px;
}

.trackrecord-container .stat-box {
    padding: 8px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border-light);
    text-align: center;
    border-bottom-width: 2px;
    border-bottom-style: solid;
}

.stat-box.is-positive {
    border-bottom-color: var(--color-success);
}

.stat-box.is-negative {
    border-bottom-color: var(--color-danger);
}

.stat-label {
    display: block;
    margin-bottom: 6px;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-tertiary);
}

.stat-value {
    display: block;
    font-size: 18px;
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.stat-value.is-positive {
    color: var(--color-success);
}

.stat-value.is-negative {
    color: var(--color-danger);
}

.trackrecord-note {
    margin-top: 6px;
    text-align: center;
    font-size: 11px;
    color: #666;
}

.empty-state {
    padding: 10px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed var(--color-border-light);
    color: #666;
    font-size: 12px;
}

#buy-signals::-webkit-scrollbar,
#sell-signals::-webkit-scrollbar {
    width: 6px;
}

#buy-signals::-webkit-scrollbar-thumb,
#sell-signals::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.14);
    border-radius: 999px;
}

#buy-signals::-webkit-scrollbar-track,
#sell-signals::-webkit-scrollbar-track {
    background: transparent;
}

#buy-signals li.highlight {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1) 0%, rgba(0, 196, 154, 0.1) 100%);
    border-color: var(--color-success);
    color: var(--color-success);
    font-weight: var(--font-weight-semibold);
    box-shadow: 0 0 12px rgba(0, 212, 170, 0.2);
}

#sell-signals li.highlight {
    background: linear-gradient(135deg, rgba(255, 71, 87, 0.1) 0%, rgba(255, 55, 66, 0.1) 100%);
    border-color: var(--color-danger);
    color: var(--color-danger);
    font-weight: var(--font-weight-semibold);
    box-shadow: 0 0 12px rgba(255, 71, 87, 0.2);
}

/* =====================================================
   RESPONSIVE DESIGN
   ===================================================== */

@media (max-width: 768px) {
    .right-panel {
        width: 100%;
        height: auto;
        max-height: none;
        min-height: min(100vh, 100dvh);
        padding: var(--space-md);
        border-radius: 0;
    }

    .intro-section {
        margin-bottom: var(--space-lg);
    }

    .right-panel h1 {
        font-size: var(--font-size-lg);
    }

    .right-panel h2 {
        font-size: var(--font-size-md);
    }

    .subscription-form,
    .section {
        padding: var(--space-md);
    }

    .toggle-label {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .toggle-switch {
        align-self: flex-end;
    }

    #position-signals {
        overflow: visible;
    }

    .signals-container,
    .buy-signals-panel,
    .sell-signals-panel,
    #buy-signals,
    #sell-signals {
        min-height: auto;
        overflow: visible;
    }

    .info-badge::after {
        right: auto;
        left: 0;
        width: min(220px, calc(100vw - 48px));
    }
}

@media (max-width: 480px) {
    .right-panel {
        padding: var(--space-md);
    }

    .right-panel h1 {
        font-size: var(--font-size-md);
        margin-bottom: var(--space-md);
    }

    .right-panel p {
        font-size: var(--font-size-sm);
        margin-bottom: var(--space-md);
    }

    .subscription-form,
    .section {
        padding: var(--space-sm);
        gap: var(--space-sm);
    }

    #buy-signals li,
    #sell-signals li {
        font-size: var(--font-size-sm);
        padding: var(--space-xs) var(--space-sm);
    }

    .intro-section {
        margin-bottom: var(--space-md);
    }

    .signals-container {
        gap: var(--space-sm);
    }

    .buy-signals-panel,
    .sell-signals-panel {
        padding: var(--space-xs);
    }

    .trackrecord-container .stat-grid {
        grid-template-columns: 1fr;
    }

    .section-head {
        gap: 6px;
    }
}