/*!
 * PeerX CSS Framework
 * P2P Cryptocurrency Trading Platform Styles
 * Version 1.0.0
 */

/* ===== CSS RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* Select 요소 브라우저 기본 스타일 제거 */
select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Proxima Nova', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: #0F0E0E;
    overflow-x: hidden;
}

/* ===== ZENGO COLOR SYSTEM ===== */
:root {
    /* Brand Colors (Zengo Theme) */
    --primary-50: #fff7ed;
    --primary-100: #ffedd5;
    --primary-200: #fed7aa;
    --primary-300: #fdba74;
    --primary-400: #fb923c;
    --primary-500: #EA9C2F;
    --primary-600: #ea580c;
    --primary-700: #c2410c;
    --primary-800: #9a3412;
    --primary-900: #7c2d12;

    /* Secondary Colors (Teal) */
    --secondary-50: #f0fdfa;
    --secondary-100: #ccfbf1;
    --secondary-200: #99f6e4;
    --secondary-300: #5eead4;
    --secondary-400: #2dd4bf;
    --secondary-500: #27CCC0;
    --secondary-600: #0d9488;
    --secondary-700: #0f766e;
    --secondary-800: #115e59;
    --secondary-900: #134e4a;

    /* Neutral Scale (Dark Theme) */
    --neutral-50: #fafafa;
    --neutral-100: #f5f5f5;
    --neutral-200: #e5e5e5;
    --neutral-300: #d4d4d4;
    --neutral-400: #a3a3a3;
    --neutral-500: #737373;
    --neutral-600: #525252;
    --neutral-700: #404040;
    --neutral-800: #262626;
    --neutral-900: #171717;
    --neutral-950: #0a0a0a;

    /* Semantic Colors */
    --success-50: #ecfdf5;
    --success-500: #10b981;
    --success-600: #059669;
    --warning-50: #fffbeb;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --error-50: #fef2f2;
    --error-500: #ef4444;
    --error-600: #dc2626;
    --info-50: #eff6ff;
    --info-500: #3b82f6;
    --info-600: #2563eb;

    /* Trading Colors */
    --buy: #10b981;
    --sell: #ef4444;
    --neutral: #737373;

    /* Background Colors (Zengo Dark Theme) */
    --bg-primary: #0F0E0E;
    --bg-secondary: #1F1F24;
    --bg-tertiary: #2A2A2F;
    --bg-quaternary: #35353A;
    --bg-glass: rgba(31, 31, 36, 0.8);
    --bg-overlay: rgba(15, 14, 14, 0.9);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #E5E5E5;
    --text-tertiary: #A3A3A3;
    --text-quaternary: #737373;
    --text-muted: #525252;

    /* Border Colors */
    --border-primary: rgba(255, 255, 255, 0.1);
    --border-secondary: rgba(255, 255, 255, 0.05);
    --border-accent: rgba(234, 156, 47, 0.3);
    --border-glass: rgba(255, 255, 255, 0.08);

    /* Spacing System (Zengo Scale) */
    --space-1: 0.25rem;    /* 4px */
    --space-2: 0.5rem;     /* 8px */
    --space-3: 0.75rem;    /* 12px */
    --space-4: 1rem;       /* 16px */
    --space-5: 1.25rem;    /* 20px */
    --space-6: 1.5rem;     /* 24px */
    --space-8: 2rem;       /* 32px */
    --space-10: 2.5rem;    /* 40px */
    --space-12: 3rem;      /* 48px */
    --space-16: 4rem;      /* 64px */
    --space-20: 5rem;      /* 80px */
    --space-24: 6rem;      /* 96px */
    --space-32: 8rem;      /* 128px */
    --space-40: 10rem;     /* 160px */
    --space-48: 12rem;     /* 192px */

    /* Border Radius (Zengo System) */
    --radius-none: 0;
    --radius-sm: 0.25rem;     /* 4px */
    --radius: 0.5rem;        /* 8px */
    --radius-md: 0.75rem;    /* 12px */
    --radius-lg: 1rem;       /* 16px */
    --radius-xl: 1.5rem;     /* 24px */
    --radius-2xl: 2rem;      /* 32px */
    --radius-3xl: 2.5rem;    /* 40px */
    --radius-full: 9999px;

    /* Shadows (Zengo Dark Theme) */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 20px rgba(234, 156, 47, 0.2);
    --shadow-brand: 0 8px 32px rgba(234, 156, 47, 0.3);

    /* Transitions (Zengo System) */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-smooth: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Z-Index Stack */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===== ZENGO TYPOGRAPHY SYSTEM ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Proxima Nova', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

/* Font Size Scale (Zengo System) */
h1 { font-size: 4.5rem; line-height: 1; }      /* 72px */
h2 { font-size: 3.75rem; line-height: 1; }     /* 60px */
h3 { font-size: 3rem; line-height: 1.1; }      /* 48px */
h4 { font-size: 2.25rem; line-height: 1.1; }   /* 36px */
h5 { font-size: 1.875rem; line-height: 1.2; }  /* 30px */
h6 { font-size: 1.5rem; line-height: 1.2; }    /* 24px */

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

a {
    color: var(--primary-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-300);
}

/* Text Size Scale (Zengo System) */
.text-xs { font-size: 0.625rem; }     /* 10px */
.text-sm { font-size: 0.75rem; }      /* 12px */
.text-base { font-size: 0.875rem; }   /* 14px */
.text-md { font-size: 1rem; }         /* 16px */
.text-lg { font-size: 1.125rem; }     /* 18px */
.text-xl { font-size: 1.25rem; }      /* 20px */
.text-2xl { font-size: 1.5rem; }      /* 24px */
.text-3xl { font-size: 1.875rem; }    /* 30px */
.text-4xl { font-size: 2.25rem; }     /* 36px */
.text-5xl { font-size: 3rem; }        /* 48px */
.text-6xl { font-size: 3.75rem; }     /* 60px */
.text-7xl { font-size: 4.5rem; }      /* 72px */

/* Font Weight Scale (Zengo System) */
.font-thin { font-weight: 100; }
.font-extralight { font-weight: 200; }
.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text Color Utilities (Zengo System) */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-quaternary { color: var(--text-quaternary); }
.text-muted { color: var(--text-muted); }

.text-brand { color: var(--primary-500); }
.text-brand-light { color: var(--primary-400); }
.text-brand-dark { color: var(--primary-600); }

.text-success { color: var(--success-500); }
.text-warning { color: var(--warning-500); }
.text-error { color: var(--error-500); }
.text-info { color: var(--info-500); }

.text-buy { color: var(--buy); }
.text-sell { color: var(--sell); }
.text-neutral { color: var(--neutral); }

/* Monospace fonts for data display */
.font-mono {
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
    font-variant-numeric: tabular-nums;
}

/* ===== ZENGO LAYOUT SYSTEM ===== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-sm {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-md {
    max-width: 768px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-lg {
    max-width: 1024px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-xl {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--space-6);
}

/* Flexbox Utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }

/* Grid System */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-4 { grid-column: span 4 / span 4; }
.col-span-5 { grid-column: span 5 / span 5; }
.col-span-6 { grid-column: span 6 / span 6; }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Spacing Utilities */
.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: var(--space-1); }
.ml-2 { margin-left: var(--space-2); }
.ml-3 { margin-left: var(--space-3); }
.ml-4 { margin-left: var(--space-4); }
.ml-5 { margin-left: var(--space-5); }
.ml-6 { margin-left: var(--space-6); }
.ml-8 { margin-left: var(--space-8); }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: var(--space-1); }
.mr-2 { margin-right: var(--space-2); }
.mr-3 { margin-right: var(--space-3); }
.mr-4 { margin-right: var(--space-4); }
.mr-5 { margin-right: var(--space-5); }
.mr-6 { margin-right: var(--space-6); }
.mr-8 { margin-right: var(--space-8); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); }
.pt-6 { padding-top: var(--space-6); }
.pt-8 { padding-top: var(--space-8); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-5 { padding-bottom: var(--space-5); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-8 { padding-bottom: var(--space-8); }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: var(--space-1); }
.pl-2 { padding-left: var(--space-2); }
.pl-3 { padding-left: var(--space-3); }
.pl-4 { padding-left: var(--space-4); }
.pl-5 { padding-left: var(--space-5); }
.pl-6 { padding-left: var(--space-6); }
.pl-8 { padding-left: var(--space-8); }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: var(--space-1); }
.pr-2 { padding-right: var(--space-2); }
.pr-3 { padding-right: var(--space-3); }
.pr-4 { padding-right: var(--space-4); }
.pr-5 { padding-right: var(--space-5); }
.pr-6 { padding-right: var(--space-6); }
.pr-8 { padding-right: var(--space-8); }

/* Display Utilities */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.hidden { display: none; }

/* Position Utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

/* Width & Height */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-fit { width: fit-content; }
.h-full { height: 100%; }
.h-auto { height: auto; }
.h-fit { height: fit-content; }

/* ===== COMPONENTS ===== */

/* ===== ZENGO BUTTON SYSTEM ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: 'Proxima Nova', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

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

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: 0.75rem;
}

.btn-xs {
    padding: 4px 8px;
    font-size: 0.65rem;
    line-height: 1.2;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border-color: var(--primary-500);
    box-shadow: var(--shadow-brand);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-400), var(--primary-500));
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), 0 8px 25px rgba(234, 156, 47, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-brand);
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border-color: var(--border-glass);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-primary);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    border-color: var(--primary-500);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), 0 8px 25px rgba(234, 156, 47, 0.4);
}

.btn-ghost {
    background: transparent;
    color: var(--text-tertiary);
    border: none;
    padding: var(--space-2) var(--space-4);
}

.btn-ghost:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
}

.btn-success {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

.btn-success:hover {
    background: #059669;
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--error);
    color: white;
    border-color: var(--error);
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.btn-buy {
    background: var(--buy);
    color: white;
    border-color: var(--buy);
}

.btn-buy:hover {
    background: #059669;
    transform: translateY(-1px);
}

.btn-sell {
    background: var(--sell);
    color: white;
    border-color: var(--sell);
}

.btn-sell:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

/* ===== ZENGO FORM SYSTEM ===== */
.form-group {
    margin-bottom: var(--space-5);
}

label {
    display: block;
    margin-bottom: var(--space-2);
    font-family: 'Proxima Nova', sans-serif;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    letter-spacing: -0.01em;
}

input, textarea, select {
    width: 100%;
    padding: var(--space-4);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: 'Proxima Nova', sans-serif;
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--border-accent);
    background: var(--bg-tertiary);
    box-shadow: 0 0 0 3px rgba(234, 156, 47, 0.1), var(--shadow-glow);
    transform: translateY(-1px);
}

input::placeholder, textarea::placeholder {
    color: var(--text-quaternary);
}

.form-hint {
    margin-top: var(--space-1);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.form-error {
    margin-top: var(--space-1);
    font-size: 0.75rem;
    color: var(--error);
}

/* Checkbox and Radio */
.checkbox, .radio {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.checkbox input[type="checkbox"],
.radio input[type="radio"] {
    width: auto;
    margin: 0;
    accent-color: var(--primary-500);
}

/* ===== ZENGO CARD SYSTEM ===== */
.card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    backdrop-filter: blur(15px);
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    transform: translateY(-2px);
}

.card:hover::before {
    opacity: 1;
}

.card-glass {
    background: rgba(31, 31, 36, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.card-elevated {
    background: var(--bg-secondary);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--border-primary);
}

.card-header {
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-secondary);
}

.card-content {
    margin-bottom: var(--space-4);
}

.card-footer {
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--border-secondary);
}

/* Alerts */
.alert {
    padding: var(--space-4);
    border-radius: var(--radius);
    border: 1px solid;
    margin-bottom: var(--space-4);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: #6ee7b7;
}

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

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning);
    color: #fbbf24;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--info);
    color: #93c5fd;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
}

.modal-content.large {
    max-width: 800px;
}

.modal-header {
    padding: var(--space-6);
    border-bottom: 1px solid var(--border-secondary);
    display: flex;
    align-items: center;
    justify-content: between;
}

.modal-header h3 {
    margin: 0;
    flex: 1;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    padding: var(--space-6);
    border-top: 1px solid var(--border-secondary);
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.table th,
.table td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--border-secondary);
}

.table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    color: var(--text-primary);
}

.table tbody tr:hover {
    background: var(--bg-tertiary);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-primary {
    background: rgba(20, 184, 166, 0.2);
    color: var(--primary-300);
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
}

.badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.badge-secondary {
    background: rgba(107, 114, 128, 0.2);
    color: #9ca3af;
}

/* 내 지갑 배지 */
.my-wallet-badge {
    display: inline-block;
    padding: 2px 8px;
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

/* ===== TRADING SPECIFIC COMPONENTS ===== */

/* Price Display */
.price-display {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-weight: 600;
}

.price-change {
    font-size: 0.875rem;
}

.positive {
    color: var(--buy) !important;
}

.negative {
    color: var(--sell) !important;
}

.neutral {
    color: var(--text-tertiary) !important;
}

/* Order Book */
.orderbook {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
}

.orderbook-header {
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-secondary);
    display: flex;
    justify-content: between;
    align-items: center;
}

.orderbook-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: var(--space-2) var(--space-4);
    border-bottom: 1px solid var(--border-secondary);
    transition: background var(--transition-fast);
}

.orderbook-row:hover {
    background: var(--bg-tertiary);
}

.buy-order {
    border-left: 3px solid var(--buy);
}

.sell-order {
    border-left: 3px solid var(--sell);
}

/* Trading Pair Tabs */
.pair-tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
}

.pair-tab {
    padding: var(--space-3) var(--space-5);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pair-tab.active {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: white;
}

.pair-tab:hover:not(.active) {
    background: var(--bg-quaternary);
    border-color: var(--primary-400);
}

/* Order Status */
.order-status,
.trade-status {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.status-active {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
}

.status-pending {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

.status-completed {
    background: rgba(16, 185, 129, 0.2);
    color: #6ee7b7;
}

.status-cancelled {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
}

/* Real-time Indicator */
.realtime-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.status-indicator {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--radius-full);
    background: var(--error);
    animation: pulse 2s infinite;
}

.status-indicator.connected {
    background: var(--success);
    animation: none;
}

.status-indicator.disconnected {
    background: var(--error);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Notifications */
.notification {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    min-width: 300px;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-tooltip);
    animation: slideIn 0.3s ease-out;
}

.notification-success {
    border-left: 4px solid var(--success);
}

.notification-error {
    border-left: 4px solid var(--error);
}

.notification-warning {
    border-left: 4px solid var(--warning);
}

.notification-info {
    border-left: 4px solid var(--info);
}

.notification-close {
    position: absolute;
    top: var(--space-2);
    right: var(--space-3);
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 1.25rem;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

/* Mobile First - Base styles (320px+) */
:root {
    /* Mobile spacing adjustments */
    --mobile-space-multiplier: 0.75;
}

/* Small Mobile (320px - 480px) */
@media (max-width: 480px) {
    :root {
        --space-1: 0.125rem;
        --space-2: 0.25rem;
        --space-3: 0.5rem;
        --space-4: 0.75rem;
        --space-5: 1rem;
        --space-6: 1.25rem;
        --space-8: 1.5rem;
        --space-10: 2rem;
        --space-12: 2.5rem;
        --space-16: 3rem;
        --space-20: 4rem;
        --space-24: 5rem;
    }

    body {
        font-size: 16px;
    }

    .container {
        padding: 0 var(--space-4);
    }

    /* Typography scaling for mobile */
    h1 { font-size: 2rem; line-height: 1.1; }
    h2 { font-size: 1.75rem; line-height: 1.1; }
    h3 { font-size: 1.5rem; line-height: 1.2; }
    h4 { font-size: 1.25rem; line-height: 1.2; }
    h5 { font-size: 1.125rem; line-height: 1.3; }
    h6 { font-size: 1rem; line-height: 1.3; }

    /* Button adjustments */
    .btn {
        padding: var(--space-3) var(--space-5);
        font-size: 0.75rem;
        border-radius: var(--radius-md);
    }

    .btn-lg {
        padding: var(--space-4) var(--space-6);
        font-size: 0.875rem;
    }

    /* Card adjustments */
    .card {
        padding: var(--space-5);
        border-radius: var(--radius-xl);
    }

    /* Form adjustments */
    input, textarea, select {
        padding: var(--space-3);
        font-size: 0.875rem;
        border-radius: var(--radius-md);
    }

    /* Modal adjustments */
    .modal-content {
        width: 95%;
        margin: var(--space-3);
        border-radius: var(--radius-xl);
    }

    .modal-header, .modal-body, .modal-footer {
        padding: var(--space-4);
    }

    /* Grid system for mobile */
    .grid-cols-2 { grid-template-columns: 1fr; }
    .grid-cols-3 { grid-template-columns: 1fr; }
    .grid-cols-4 { grid-template-columns: 1fr; }
    .grid-cols-5 { grid-template-columns: 1fr; }
    .grid-cols-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    /* Trading specific adjustments */
    .pair-tabs {
        flex-direction: column;
        gap: var(--space-2);
    }

    .pair-tab {
        text-align: center;
        padding: var(--space-3) var(--space-4);
    }

    .orderbook-row {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--space-2);
    }

    /* Table adjustments */
    .table {
        font-size: 0.75rem;
    }

    .table th,
    .table td {
        padding: var(--space-2) var(--space-3);
    }

    /* Notification adjustments */
    .notification {
        left: var(--space-3);
        right: var(--space-3);
        top: var(--space-3);
        min-width: auto;
        padding: var(--space-3);
    }

    /* Button groups stack on mobile */
    .btn-group {
        flex-direction: column;
        gap: var(--space-2);
    }

    .btn-group .btn {
        width: 100%;
    }

    /* Hide certain elements on mobile */
    .mobile-hidden {
        display: none !important;
    }

    /* Show mobile-only elements */
    .mobile-only {
        display: block !important;
    }
}

/* Tablet (481px - 768px) */
@media (min-width: 481px) and (max-width: 768px) {
    .container {
        padding: 0 var(--space-5);
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }

    .card {
        padding: var(--space-6);
    }

    /* Tablet grid adjustments */
    .grid-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-cols-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-cols-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

    .tablet-hidden {
        display: none !important;
    }

    .tablet-only {
        display: block !important;
    }
}

/* Desktop Small (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        padding: 0 var(--space-6);
    }

    .desktop-sm-hidden {
        display: none !important;
    }

    .desktop-sm-only {
        display: block !important;
    }
}

/* Desktop Large (1025px+) */
@media (min-width: 1025px) {
    .desktop-hidden {
        display: none !important;
    }

    .desktop-only {
        display: block !important;
    }

    /* Enhanced hover effects for desktop */
    .btn:hover {
        transform: translateY(-2px);
    }

    .card:hover {
        transform: translateY(-3px);
    }
}

/* Ultra-wide screens (1400px+) */
@media (min-width: 1400px) {
    /* 네비게이션바(.nav-container)와 동일하게 1400px 유지 */
    .container {
        max-width: 1400px;
    }

    .container-fluid {
        padding: 0 var(--space-8);
    }
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }

    body {
        background: white !important;
        color: black !important;
    }

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

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

    .btn:hover,
    .card:hover {
        transform: none !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --border-primary: rgba(255, 255, 255, 0.3);
        --border-secondary: rgba(255, 255, 255, 0.2);
        --text-tertiary: #cccccc;
        --text-quaternary: #aaaaaa;
    }
}

/* ===== UTILITY CLASSES ===== */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

.transition-none { transition: none; }
.transition-all { transition: all var(--transition-normal); }
.transition-fast { transition: all var(--transition-fast); }
.transition-slow { transition: all var(--transition-slow); }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* ===== ZENGO ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(234, 156, 47, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(234, 156, 47, 0.6);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Animation classes */
.animate-fade-in {
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-fade-in-down {
    animation: fadeInDown 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-slide-in-right {
    animation: slideInRight 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-slide-in-left {
    animation: slideInLeft 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-scale-in {
    animation: scaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-spin {
    animation: spin 1s linear infinite;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Staggered animations */
.animate-stagger > * {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-stagger > *:nth-child(1) { animation-delay: 0ms; }
.animate-stagger > *:nth-child(2) { animation-delay: 100ms; }
.animate-stagger > *:nth-child(3) { animation-delay: 200ms; }
.animate-stagger > *:nth-child(4) { animation-delay: 300ms; }
.animate-stagger > *:nth-child(5) { animation-delay: 400ms; }
.animate-stagger > *:nth-child(6) { animation-delay: 500ms; }

/* Hover animations */
.hover-lift {
    transition: transform var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-3px);
}

.hover-scale {
    transition: transform var(--transition-normal);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-glow {
    transition: box-shadow var(--transition-normal);
}

.hover-glow:hover {
    box-shadow: var(--shadow-glow);
}

/* ===== ZENGO DARK THEME (DEFAULT) ===== */
body {
    background: radial-gradient(ellipse at top, var(--bg-secondary) 0%, var(--bg-primary) 50%, #000000 100%);
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(234, 156, 47, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(39, 204, 192, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(234, 156, 47, 0.03) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Enhanced Glassmorphism */
.glass {
    background: var(--bg-glass);
    backdrop-filter: blur(15px);
    border: 1px solid var(--border-glass);
    position: relative;
}

.glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
    border-radius: inherit;
}

.glass:hover {
    background: rgba(31, 31, 36, 0.9);
    border-color: var(--border-accent);
    backdrop-filter: blur(20px);
}

/* Zengo Gradient Backgrounds */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
}

.bg-gradient-secondary {
    background: linear-gradient(135deg, var(--secondary-500), var(--secondary-600));
}

.bg-gradient-dark {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.bg-gradient-brand {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-500) 100%);
}

.bg-gradient-mesh {
    background:
        radial-gradient(circle at 0% 50%, rgba(234, 156, 47, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 100% 50%, rgba(39, 204, 192, 0.1) 0%, transparent 50%),
        var(--bg-primary);
}

/* ===== LOGO THEME SWITCHING ===== */
/* 다크모드 (기본): 밝은 로고 표시, 어두운 로고 숨김 */
img.logo-dark {
    display: inline-block !important;
}
img.logo-light {
    display: none !important;
}