/* ===== BASE & LAYOUT ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

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

:root {
    --primary: #9B73FF;
    --primary-light: #C4A7FF;
    --primary-dark: #6B3FD4;
    --accent: #F478B8;
    --accent-light: #F9B8D8;
    --green: #4ADE80;
    --green-glow: rgba(74, 222, 128, 0.3);
    --orange: #FB923C;
    --orange-glow: rgba(251, 146, 60, 0.3);
    --red: #F87171;
    --red-glow: rgba(248, 113, 113, 0.3);
    --blue: #60A5FA;
    --blue-glow: rgba(96, 165, 250, 0.3);

    /* Dark theme */
    --bg-deep: #0D0B18;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(155, 115, 255, 0.4);
    --text: #F0EEFF;
    --text-secondary: rgba(240, 238, 255, 0.65);
    --text-muted: rgba(240, 238, 255, 0.38);

    --shadow-glow: 0 8px 40px rgba(155, 115, 255, 0.25);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
    --radius: 20px;
    --radius-sm: 14px;
    --radius-xs: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg-deep);
    line-height: 1.6;
    min-height: 100dvh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* ===== ANIMATED BACKGROUND ===== */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% -10%, rgba(107, 63, 212, 0.45) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 100%, rgba(244, 120, 184, 0.25) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 50% 50%, rgba(155, 115, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(155, 115, 255, 0.12) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    pointer-events: none;
    z-index: 0;
    animation: orb-drift 12s ease-in-out infinite alternate;
}

@keyframes orb-drift {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(-60px, 80px) scale(1.15); }
}

/* ===== LAYOUT ===== */
.app {
    position: relative;
    z-index: 1;
    max-width: 520px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

/* ===== SCREENS ===== */
.screen {
    display: none;
    flex-direction: column;
    flex: 1;
    padding: 28px 0;
    animation: fadeUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.screen.active { display: flex; }

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

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50%       { transform: scale(1.06); }
}

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

@keyframes spin-reverse {
    to { transform: rotate(-360deg); }
}

@keyframes progressFill {
    from { width: 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(-2deg); }
    50%       { transform: translateY(-10px) rotate(2deg); }
}

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

/* ===== GLASS CARD ===== */
.glass {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.glass:hover {
    border-color: var(--glass-border-hover);
    background: var(--bg-card-hover);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(155, 115, 255, 0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(155, 115, 255, 0.5); }

/* ===== SELECTION ===== */
::selection { background: rgba(155, 115, 255, 0.3); color: var(--text); }