/* ============================================
   ERGASE - Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
    --primary: #7B2FF7;
    --primary-glow: #9D5CFF;
    --primary-dark: #5A1DB8;
    --accent: #00D4FF;
    --accent-glow: #33DFFF;
    --danger: #FF3E3E;
    --danger-glow: #FF6B6B;
    --success: #00FF88;
    --success-dark: #00CC6A;
    --warning: #FFB800;
    --warning-dark: #CC9300;
    --xp-start: #7B2FF7;
    --xp-end: #00D4FF;
    --hp-start: #FF3E3E;
    --hp-end: #FF6B6B;
    --mp-start: #3E7BFF;
    --mp-end: #6BA3FF;
    --bg-dark: #0A0A0F;
    --bg-darker: #060609;
    --bg-card: #12121A;
    --bg-card-hover: #1A1A25;
    --bg-card-active: #22222F;
    --bg-input: #0E0E16;
    --bg-modal: rgba(6, 6, 9, 0.92);
    --text-primary: #E8E8F0;
    --text-secondary: #8888AA;
    --text-muted: #555570;
    --border: #2A2A3A;
    --border-light: #3A3A4A;
    --shadow: rgba(0, 0, 0, 0.4);
    --glow-primary: rgba(123, 47, 247, 0.3);
    --glow-accent: rgba(0, 212, 255, 0.3);
    --glow-danger: rgba(255, 62, 62, 0.3);
    --glow-success: rgba(0, 255, 136, 0.3);
    --rank-e: #8888AA;
    --rank-d: #00FF88;
    --rank-c: #00D4FF;
    --rank-b: #7B2FF7;
    --rank-a: #FFB800;
    --rank-s: #FF3E3E;
    --rank-ss: #00D4FF;
    --rank-sss: #FFFFFF;
    --nav-height: 65px;
    --header-height: 60px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50%;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s ease;
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Orbitron', monospace;
    --font-body: 'Rajdhani', 'Segoe UI', sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
    font-weight: 500;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(123, 47, 247, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 212, 255, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(123, 47, 247, 0.03) 0%, transparent 40%);
    pointer-events: none;
    z-index: 0;
}

a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: var(--font-body); }
input, select, textarea { font-family: var(--font-body); }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-darker); }
::-webkit-scrollbar-thumb { background: var(--primary-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

::selection {
    background: var(--primary);
    color: white;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.system-text {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* --- Layout --- */
.app-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    padding-bottom: calc(var(--nav-height) + 20px);
}

.screen {
    display: none;
    padding: 16px;
    max-width: 600px;
    margin: 0 auto;
    animation: fadeSlideIn 0.4s ease;
}

.screen.active {
    display: block;
}

/* --- Utility Classes --- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-xs { gap: 4px; }
.gap-sm { gap: 8px; }
.gap-md { gap: 12px; }
.gap-lg { gap: 16px; }
.gap-xl { gap: 24px; }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-glow { text-shadow: 0 0 10px currentColor; }

.font-display { font-family: var(--font-display); }
.font-sm { font-size: 0.8rem; }
.font-md { font-size: 0.95rem; }
.font-lg { font-size: 1.2rem; }
.font-xl { font-size: 1.5rem; }
.font-xxl { font-size: 2rem; }
.font-bold { font-weight: 700; }

.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 24px; }
.w-full { width: 100%; }
.hidden { display: none !important; }

/* --- Rank Colors --- */
.rank-e { color: var(--rank-e); }
.rank-d { color: var(--rank-d); }
.rank-c { color: var(--rank-c); }
.rank-b { color: var(--rank-b); }
.rank-a { color: var(--rank-a); }
.rank-s { color: var(--rank-s); }
.rank-ss { color: var(--rank-ss); text-shadow: 0 0 10px var(--rank-ss); }
.rank-sss { color: var(--rank-sss); text-shadow: 0 0 15px rgba(255,255,255,0.8); }