@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
    /* Dark Theme (Default - Navy/Charcoal) */
    --bg-main: #131722;       /* Deep Navy */
    --bg-card: #1e222d;       /* Charcoal Card */
    --bg-hover: #2a2e39;      /* Hover State */
    --border: #2a2e39;        /* Subtle Border */
    
    --primary: #2962ff;       /* Action Blue */
    --accent: #fbc531;        /* Warning/Highlight */
    
    --bull: #00b894;          /* Soft Green */
    --bear: #ff4757;          /* Soft Red */

    --text-main: #ecedee;     /* White/Light Grey */
    --text-muted: #777e91;    /* Muted Grey */
    
    --font-main: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* Pitch Black Theme (OLED/Pure Black) */
[data-theme="darker"] {
    --bg-main: #000000;       /* Pure Black (OLED friendly) */
    --bg-card: #0a0a0a;       /* Almost Black */
    --bg-hover: #1a1a1a;      /* Dark Hover */
    --border: #1f1f1f;        /* Slightly visible border */
    
    --primary: #3b82f6;       /* Brighter Blue (better contrast) */
    --accent: #fbbf24;        /* Brighter Yellow */
    
    --bull: #10b981;          /* Brighter Green */
    --bear: #ef4444;          /* Brighter Red */
    
    --text-main: #f9fafb;     /* Brighter White */
    --text-muted: #9ca3af;    /* Lighter Grey (better readability) */
}

/* Pitch Black Theme Enhancements */
[data-theme="darker"] .card {
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05);
}

[data-theme="darker"] .table-dark {
    --bs-table-border-color: #1f1f1f;
}

[data-theme="darker"] .terminal-nav {
    border-bottom: 1px solid #1f1f1f !important;
    box-shadow: 0 1px 0 0 rgba(255, 255, 255, 0.03);
}

[data-theme="darker"] .btn-outline-secondary:hover {
    background: #1a1a1a;
    border-color: #2a2a2a;
}

/* OLED optimization - true blacks save battery */
[data-theme="darker"] body {
    background: #000000;
}

body {
    background-color: var(--bg-main);
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 0.9rem;
}

.font-monospace { font-family: var(--font-mono) !important; }
.text-bull { color: var(--bull) !important; }
.text-bear { color: var(--bear) !important; }

/* Navbar */
.terminal-nav {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border) !important;
}

.search-container .form-control {
    background: var(--bg-main);
    color: var(--text-main);
    border: 1px solid var(--border);
    font-size: 0.85rem;
}
.search-container .form-control:focus {
    background: var(--bg-main);
    color: var(--text-main);
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(41, 98, 255, 0.2);
}

/* Mobile Search Fixes */
@media (max-width: 991px) {
    .suggestions-box {
        position: fixed !important;
        top: 60px !important;
        left: 0 !important;
        width: 100% !important;
        max-height: 50vh;
        overflow-y: auto;
        border-radius: 0 0 8px 8px;
    }
}

.suggestion-item {
    padding: 8px 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    background: var(--bg-card);
}
.suggestion-item:hover { background: var(--bg-hover); color: var(--text-main); }

/* Scrollbar */
.scrollbar-hidden::-webkit-scrollbar { display: none; }
.scrollbar-hidden { -ms-overflow-style: none; scrollbar-width: none; }

/* Tables */
.table-dark {
    --bs-table-bg: transparent;
    --bs-table-border-color: var(--border);
    color: var(--text-main);
}
.table-hover tbody tr:hover {
    color: var(--text-main);
    background-color: var(--bg-hover);
}
th {
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.75rem;
    color: var(--text-muted) !important;
    letter-spacing: 0.5px;
}
td {
    vertical-align: middle;
}

/* Buttons */
.btn-outline-secondary {
    border-color: var(--border);
    color: var(--text-muted);
}
.btn-outline-secondary:hover, .btn-outline-secondary.active {
    background: var(--bg-hover);
    color: var(--text-main);
    border-color: var(--border);
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
}
.card-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    color: var(--text-main);
}

/* Specific Utilities */
.bg-darker { background-color: var(--bg-card) !important; }
.text-muted { color: var(--text-muted) !important; }

/* Whale Table Specifics */
.uw-tag {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7em;
    font-weight: 700;
    text-transform: uppercase;
}
.uw-call { background: rgba(0, 184, 148, 0.15); color: var(--bull); }
.uw-put { background: rgba(255, 71, 87, 0.15); color: var(--bear); }

/* Animations */
@keyframes blink { 50% { opacity: 0; } }
.live-dot {
    width: 6px; height: 6px; background: var(--bear); border-radius: 50%; display: inline-block;
    animation: blink 1.5s infinite;
}

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

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

@keyframes priceFlashGreen {
    0%, 100% { background-color: transparent; }
    50% { background-color: rgba(0, 184, 148, 0.3); }
}

@keyframes priceFlashRed {
    0%, 100% { background-color: transparent; }
    50% { background-color: rgba(255, 71, 87, 0.3); }
}

/* Smooth Transitions */
* {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.fade-in {
    animation: fadeIn 0.4s ease-out;
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-hover) 50%, var(--bg-card) 75%);
    background-size: 2000px 100%;
    animation: shimmer 1.5s infinite linear;
    border-radius: 4px;
}

.price-flash-up {
    animation: priceFlashGreen 0.6s ease-out;
}

.price-flash-down {
    animation: priceFlashRed 0.6s ease-out;
}

/* Theme Toggle Button */
.theme-toggle {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 20px;
    padding: 6px 14px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    transform: scale(1.05);
    border-color: var(--primary);
}

.theme-toggle:active {
    transform: scale(0.95);
}

/* Pitch black theme indicator */
[data-theme="darker"] .theme-toggle {
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

/* Mobile Bottom Nav */
@media (max-width: 991px) {
    .mobile-bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-card);
        border-top: 1px solid var(--border);
        display: flex;
        justify-content: space-around;
        padding: 8px 0;
        z-index: 1000;
    }
    
    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        color: var(--text-muted);
        text-decoration: none;
        font-size: 0.7rem;
        padding: 4px 8px;
        min-width: 60px;
    }
    
    .mobile-nav-item i {
        font-size: 1.2rem;
        margin-bottom: 2px;
    }
    
    .mobile-nav-item.active {
        color: var(--primary);
    }
    
    body {
        padding-bottom: 70px;
    }
}

/* Improved Table Hover */
.table-hover tbody tr {
    transition: all 0.2s ease;
}

/* Drag and Drop Styles */
.draggable {
    cursor: move;
}

.draggable:hover {
    background: var(--bg-hover);
}

.drag-over {
    border: 2px dashed var(--primary);
}

/* Watchlist Group Pills */
.watchlist-group {
    display: inline-block;
    padding: 4px 12px;
    margin: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.watchlist-group:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
}

.watchlist-group.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Tab Styles */
.nav-tabs .nav-link {
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}
.nav-tabs .nav-link:hover {
    color: var(--text-main);
    background: var(--bg-hover);
    border: none;
    border-bottom: 2px solid var(--border);
}
.nav-tabs .nav-link.active {
    color: var(--primary) !important;
    background: transparent !important;
    border: none !important;
    border-bottom: 2px solid var(--primary) !important;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 70px;
    right: 20px;
    z-index: 9999;
}

.custom-toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 16px;
    margin-bottom: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    min-width: 250px;
    animation: fadeIn 0.3s ease-out;
}

.custom-toast.success {
    border-left: 4px solid var(--bull);
}

.custom-toast.error {
    border-left: 4px solid var(--bear);
}

.custom-toast.info {
    border-left: 4px solid var(--primary);
}