/* ============================================
   ConvroLabs - Main Styles
   Neon Cyberpunk Theme
   ============================================ */

:root {
    /* Neon Palette */
    --neon-cyan: #00f0ff;
    --neon-pink: #ff00e5;
    --neon-purple: #b000ff;
    --neon-blue: #4d4dff;
    --neon-green: #00ff88;
    --neon-orange: #ff6b35;
    --neon-yellow: #ffe14d;

    /* Background palette */
    --bg-deepest: #050510;
    --bg-dark: #0a0a1a;
    --bg-card: #0f0f2a;
    --bg-card-hover: #151540;
    --bg-input: #0c0c22;
    --bg-sidebar: #08081a;

    /* Text */
    --text-primary: #e8e8ff;
    --text-secondary: #9090b8;
    --text-muted: #5a5a80;

    /* Borders */
    --border-subtle: rgba(100, 100, 200, 0.1);
    --border-neon: rgba(0, 240, 255, 0.2);
    --border-pink: rgba(255, 0, 229, 0.2);

    /* Glows */
    --glow-cyan: 0 0 15px rgba(0, 240, 255, 0.3), 0 0 30px rgba(0, 240, 255, 0.1);
    --glow-pink: 0 0 15px rgba(255, 0, 229, 0.3), 0 0 30px rgba(255, 0, 229, 0.1);
    --glow-purple: 0 0 15px rgba(176, 0, 255, 0.3), 0 0 30px rgba(176, 0, 255, 0.1);

    /* Sizing */
    --sidebar-width: 240px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-deepest);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
    background: var(--neon-purple);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--neon-cyan);
}

/* Selection */
::selection {
    background: rgba(0, 240, 255, 0.25);
    color: var(--neon-cyan);
}

/* Particles Canvas */
#particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

/* Screen management */
.screen {
    display: none;
}
.screen.active {
    display: flex;
}

/* ====== LOGIN SCREEN ====== */
#login-screen {
    position: relative;
    z-index: 1;
    width: 100%;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    background: radial-gradient(ellipse at 50% 30%, rgba(176, 0, 255, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(0, 240, 255, 0.05) 0%, transparent 50%),
                var(--bg-deepest);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 3rem 2.5rem;
    text-align: center;
    background: linear-gradient(135deg, rgba(15, 15, 42, 0.9), rgba(8, 8, 26, 0.95));
    border: 1px solid var(--border-neon);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    box-shadow: var(--glow-cyan),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
    animation: fadeInUp 0.8s ease;
}

.login-logo {
    margin-bottom: 1.5rem;
}

.logo-img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    filter: drop-shadow(0 0 20px rgba(0, 240, 255, 0.4));
    animation: float 3s ease-in-out infinite;
}

.login-title {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.3rem;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-footer {
    margin-top: 2rem;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.blink-dot {
    width: 6px;
    height: 6px;
    background: var(--neon-green);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
    box-shadow: 0 0 6px var(--neon-green);
}

.error-msg {
    color: #ff4466;
    font-size: 0.85rem;
    min-height: 1.2rem;
    text-shadow: 0 0 10px rgba(255, 68, 102, 0.3);
}

/* ====== APP LAYOUT ====== */
#app-screen {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, var(--bg-sidebar) 0%, rgba(5, 5, 16, 0.98) 100%);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.sidebar-header {
    padding: 1.5rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-logo {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.3));
}

.sidebar-brand {
    font-weight: 700;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    flex: 1;
    padding: 1rem 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    overflow-y: auto;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--neon-cyan);
    transform: scaleY(0);
    transition: transform var(--transition-fast);
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 10px var(--neon-cyan);
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(0, 240, 255, 0.05);
}

.nav-link.active {
    color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.08);
}

.nav-link.active::before {
    transform: scaleY(1);
}

.nav-link svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-link.active svg {
    opacity: 1;
    filter: drop-shadow(0 0 4px var(--neon-cyan));
}

.sidebar-footer {
    padding: 1rem 1.2rem;
    border-top: 1px solid var(--border-subtle);
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 2rem;
    position: relative;
}

#view-container {
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeIn 0.3s ease;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }

    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }

    .sidebar.open {
        transform: translateX(0);
        width: 260px;
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    .login-container {
        margin: 1rem;
        padding: 2rem 1.5rem;
    }
}