:root {
    --bg-base: #060A10;
    --bg-surface: #0A0F1B;
    --bg-panel: #0D1425;
    --bg-card: #111A2E;
    --bg-card-hover: #152036;
    --bg-inner: #17243D;
    --bg-overlay: rgba(6, 10, 16, 0.88);

    --border-subtle: rgba(255, 255, 255, 0.05);
    --border-default: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.14);
    --border-focus: rgba(94, 174, 216, 0.5);
    --border-glow: rgba(94, 174, 216, 0.2);

    --text-primary: #F0F2F5;
    --text-secondary: #A0AABF;
    --text-muted: #5E6D85;
    --text-inverse: #060A10;

    --accent: #5EAED8;
    --accent-hover: #7BC1E8;
    --accent-muted: rgba(94, 174, 216, 0.15);
    --accent-subtle: rgba(94, 174, 216, 0.07);
    --accent-glow: rgba(94, 174, 216, 0.25);

    --profit: #34D399;
    --profit-bg: rgba(52, 211, 153, 0.1);
    --profit-border: rgba(52, 211, 153, 0.2);
    --profit-glow: rgba(52, 211, 153, 0.15);
    --loss: #F87171;
    --loss-bg: rgba(248, 113, 113, 0.1);
    --loss-border: rgba(248, 113, 113, 0.2);
    --loss-glow: rgba(248, 113, 113, 0.15);
    --neutral: #FBBF24;
    --neutral-bg: rgba(251, 191, 36, 0.1);

    --gradient-accent: linear-gradient(135deg, #4A9BC4 0%, #5EAED8 50%, #6CC4F0 100%);
    --gradient-profit: linear-gradient(135deg, #22C55E 0%, #34D399 100%);
    --gradient-loss: linear-gradient(135deg, #EF4444 0%, #F87171 100%);
    --gradient-hero: radial-gradient(ellipse at 50% 0%, rgba(94, 174, 216, 0.12) 0%, transparent 60%);
    --gradient-surface: linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-base) 100%);
    --gradient-card: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0) 100%);
    --gradient-sidebar: linear-gradient(180deg, var(--bg-surface) 0%, #080C16 100%);

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.6);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.65);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 30px rgba(94, 174, 216, 0.12);
    --shadow-glow-profit: 0 0 24px rgba(52, 211, 153, 0.15);
    --shadow-glow-loss: 0 0 24px rgba(248, 113, 113, 0.15);
    --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.03);
    --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.06);

    --radius-xs: 6px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-pill: 999px;

    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;

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

    --text-2xs: 0.625rem;
    --text-xs: 0.6875rem;
    --text-sm: 0.8125rem;
    --text-base: 0.9375rem;
    --text-lg: 1.125rem;
    --text-xl: 1.375rem;
    --text-2xl: 1.75rem;
    --text-3xl: 2.25rem;
    --text-4xl: 3rem;
    --text-5xl: 3.75rem;
    --text-6xl: 4.5rem;

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(94, 174, 216, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(94, 174, 216, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-default); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }
* { scrollbar-width: thin; scrollbar-color: var(--border-default) transparent; }

.tabular-nums { font-variant-numeric: tabular-nums; }
.mono { font-family: var(--font-mono); }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 8px rgba(94, 174, 216, 0.15); }
    50% { box-shadow: 0 0 24px rgba(94, 174, 216, 0.3); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes countUp {
    from { opacity: 0; transform: translateY(12px); filter: blur(4px); }
    to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes subtleBreathe {
    0%, 100% { box-shadow: 0 0 20px rgba(94, 174, 216, 0.08); }
    50% { box-shadow: 0 0 40px rgba(94, 174, 216, 0.15); }
}

.animate-in { animation: fadeIn 0.4s var(--transition-base) both; }
.animate-slide-up { animation: slideUp 0.5s var(--transition-base) both; }
.animate-count { animation: countUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) both; }
.animate-fade-up { animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both; }

.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }

.skeleton {
    background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-inner) 50%, var(--bg-card) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

.text-profit { color: var(--profit); }
.text-loss { color: var(--loss); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }

.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px 8px;
    border-radius: var(--radius-pill);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.02em;
}
.chip-profit { background: var(--profit-bg); color: var(--profit); border: 1px solid var(--profit-border); }
.chip-loss { background: var(--loss-bg); color: var(--loss); border: 1px solid var(--loss-border); }
.chip-neutral { background: var(--neutral-bg); color: var(--neutral); border: 1px solid rgba(251, 191, 36, 0.2); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm), 0 0 20px rgba(94, 174, 216, 0.15);
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md), 0 0 30px rgba(94, 174, 216, 0.25);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
}
.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px;
}
.btn-ghost:hover { color: var(--text-primary); background: var(--accent-subtle); }

.btn-sm { padding: 6px 14px; font-size: var(--text-xs); }
.btn-lg { padding: 14px 28px; font-size: var(--text-base); }
.btn-icon { padding: 8px; width: 36px; height: 36px; }

.card {
    background: linear-gradient(180deg, rgba(20, 30, 50, 0.8) 0%, rgba(10, 18, 30, 0.9) 100%);
    border: 1px solid rgba(120, 180, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: all var(--transition-base);
    position: relative;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: var(--gradient-card);
    pointer-events: none;
}
.card:hover {
    border-color: rgba(94, 174, 216, 0.12);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 16px rgba(94, 174, 216, 0.04);
    transform: translateY(-2px);
}

.card-inner {
    background: var(--bg-inner);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

input[type="text"], input[type="email"], select, textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-inner);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    outline: none;
    transition: all var(--transition-fast);
}
input:focus, select:focus, textarea:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(94, 174, 216, 0.08);
}

.toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--bg-card);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    padding: 12px 20px;
    color: var(--text-primary);
    font-size: var(--text-sm);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    opacity: 0;
    transition: all var(--transition-base);
    pointer-events: none;
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16) var(--space-6);
    text-align: center;
    gap: var(--space-4);
}
.empty-state-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--accent-subtle) 0%, rgba(94, 174, 216, 0.12) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    box-shadow: 0 0 40px rgba(94, 174, 216, 0.08);
}
.empty-state-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}
.empty-state-text {
    font-size: var(--text-sm);
    color: var(--text-muted);
    max-width: 360px;
    line-height: 1.7;
}

@media (max-width: 768px) {
    html { font-size: 15px; }
    .btn { padding: 12px 20px; min-height: 44px; }
    .btn-icon { width: 44px; height: 44px; }
}