/* ========== CSS Variables & Reset ========== */
:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f2a;
    --bg-card: rgba(15, 15, 42, 0.7);
    --bg-card-hover: rgba(20, 20, 55, 0.8);
    --glass-border: rgba(99, 102, 241, 0.15);
    --glass-border-hover: rgba(99, 102, 241, 0.3);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-indigo: #818cf8;
    --accent-purple: #a855f7;
    --accent-blue: #6366f1;
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.15);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.bg-grid {
    position: fixed; inset: 0; z-index: 0;
    background-image:
        linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.bg-glow {
    position: fixed; border-radius: 50%; filter: blur(120px); z-index: 0; pointer-events: none;
}
.bg-glow-1 { width: 500px; height: 500px; background: rgba(99, 102, 241, 0.08); top: -100px; left: -100px; animation: float1 15s ease-in-out infinite; }
.bg-glow-2 { width: 400px; height: 400px; background: rgba(168, 85, 247, 0.06); bottom: -50px; right: -50px; animation: float2 18s ease-in-out infinite; }

@keyframes float1 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(80px, 60px); } }
@keyframes float2 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-60px, -40px); } }

#particles { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.particle {
    position: absolute; width: 3px; height: 3px; border-radius: 50%;
    background: var(--accent-indigo); opacity: 0;
    animation: particleFade 4s ease-in-out infinite;
}

@keyframes particleFade {
    0%, 100% { opacity: 0; transform: translateY(0) scale(0.5); }
    50% { opacity: 0.6; transform: translateY(-30px) scale(1); }
}

.app-container { position: relative; z-index: 1; min-height: 100vh; display: flex; flex-direction: column; padding: 20px; max-width: 1400px; margin: 0 auto; }

.app-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 24px; margin-bottom: 24px;
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg); backdrop-filter: blur(20px);
}

.logo { display: flex; align-items: center; gap: 12px; cursor: pointer; }
.logo-icon { display: flex; align-items: center; animation: pulse 3s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { filter: drop-shadow(0 0 8px rgba(129, 140, 248, 0.4)); } 50% { filter: drop-shadow(0 0 16px rgba(129, 140, 248, 0.7)); } }
.logo-text { font-size: 1.25rem; font-weight: 800; background: linear-gradient(135deg, #818cf8, #a855f7); -webkit-background-clip: text; -webkit-text-fill-color: transparent; letter-spacing: -0.5px; }

.header-badge {
    display: flex; align-items: center; gap: 8px; padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1); border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 20px; font-size: 0.8rem; color: var(--accent-indigo); font-weight: 500;
}
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); animation: dotPulse 2s ease-in-out infinite; }
@keyframes dotPulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); } 50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); } }

.main-content { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; flex: 1; }

.panel-glass {
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl); backdrop-filter: blur(20px);
    padding: 32px; height: 100%; position: relative; overflow: hidden;
    transition: border-color var(--transition);
}
.panel-glass:hover { border-color: var(--glass-border-hover); }
.panel-glass::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(129, 140, 248, 0.3), transparent);
}

.login-panel .panel-glass { display: flex; flex-direction: column; }
.panel-header { margin-bottom: 28px; }
.panel-header h1 { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 6px; }
.panel-subtitle { color: var(--text-secondary); font-size: 0.9rem; }

.status-banner {
    display: flex; align-items: center; gap: 10px; padding: 12px 16px;
    border-radius: var(--radius-md); margin-bottom: 20px; font-size: 0.875rem;
    font-weight: 500; animation: slideDown 0.3s ease;
}
.status-banner.hidden { display: none; }
.status-banner.success { background: var(--success-bg); border: 1px solid rgba(34, 197, 94, 0.3); color: var(--success); }
.status-banner.error { background: var(--danger-bg); border: 1px solid rgba(239, 68, 68, 0.3); color: var(--danger); }
.status-banner.warning { background: var(--warning-bg); border: 1px solid rgba(245, 158, 11, 0.3); color: var(--warning); }
@keyframes slideDown { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

.lockout-overlay {
    position: absolute; inset: 0; z-index: 10;
    background: rgba(10, 10, 26, 0.95); backdrop-filter: blur(10px);
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-xl); animation: fadeIn 0.4s ease;
}
.lockout-overlay.hidden { display: none; }
.lockout-content { text-align: center; padding: 20px; }
.lockout-icon { font-size: 3rem; margin-bottom: 16px; animation: shake 0.5s ease; }
@keyframes shake { 0%, 100% { transform: translateX(0); } 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }
.lockout-title { font-size: 1.5rem; font-weight: 700; color: var(--danger); margin-bottom: 8px; }
.lockout-desc { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 24px; }
.lockout-timer { position: relative; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 8px; }
.timer-text {
    position: absolute; font-size: 2rem; font-weight: 800; color: var(--danger);
    font-family: var(--font-mono);
}
.timer-label { color: var(--text-muted); font-size: 0.8rem; }

.login-form { display: flex; flex-direction: column; gap: 20px; }

.input-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.5px; }

.input-wrapper {
    position: relative; display: flex; align-items: center;
    background: rgba(15, 15, 42, 0.6); border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-md); transition: all var(--transition); overflow: hidden;
}
.input-wrapper:focus-within { border-color: var(--accent-indigo); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), var(--shadow-glow); }
.input-wrapper.error { border-color: var(--danger); box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1); }

.input-icon { position: absolute; left: 14px; color: var(--text-muted); transition: color var(--transition); pointer-events: none; }
.input-wrapper:focus-within .input-icon { color: var(--accent-indigo); }

.input-wrapper input {
    width: 100%; padding: 14px 14px 14px 44px; background: transparent; border: none;
    color: var(--text-primary); font-size: 0.95rem; font-family: var(--font-main); outline: none;
}
.input-wrapper input::placeholder { color: var(--text-muted); }

.toggle-password {
    position: absolute; right: 12px; background: none; border: none;
    color: var(--text-muted); cursor: pointer; font-size: 1.1rem; padding: 4px;
    transition: color var(--transition);
}
.toggle-password:hover { color: var(--text-primary); }

.attempts-indicator { margin-top: 4px; }
.attempts-bar { height: 4px; background: rgba(99, 102, 241, 0.1); border-radius: 4px; overflow: hidden; }
.attempts-fill { height: 100%; border-radius: 4px; transition: width 0.5s ease, background 0.5s ease; width: 100%; background: var(--success); }
.attempts-info { display: flex; justify-content: space-between; margin-top: 6px; font-size: 0.78rem; color: var(--text-muted); }

.btn-login {
    position: relative; display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 24px; border: none; border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white; font-size: 1rem; font-weight: 600; font-family: var(--font-main);
    cursor: pointer; transition: all var(--transition); overflow: hidden;
}
.btn-login:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35); }
.btn-login:active { transform: translateY(0); }
.btn-login:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-login.loading .btn-text { opacity: 0; }
.btn-login.loading .btn-loader { opacity: 1; }
.btn-loader {
    position: absolute; width: 22px; height: 22px; border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: white; border-radius: 50%; opacity: 0;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.demo-creds { margin-top: 28px; padding-top: 20px; border-top: 1px solid rgba(99, 102, 241, 0.1); }
.demo-label { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; }
.cred-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.cred-chip {
    display: flex; align-items: center; gap: 4px; padding: 8px 14px;
    background: rgba(99, 102, 241, 0.08); border: 1px solid rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-sm); cursor: pointer; font-size: 0.82rem;
    font-family: var(--font-mono); color: var(--text-secondary); transition: all var(--transition);
}
.cred-chip:hover { background: rgba(99, 102, 241, 0.15); border-color: rgba(99, 102, 241, 0.3); color: var(--accent-indigo); }
.chip-user { color: var(--accent-indigo); font-weight: 500; }
.chip-pass { color: var(--accent-purple); }

.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.stat-card {
    display: flex; align-items: center; gap: 12px; padding: 16px;
    background: rgba(15, 15, 42, 0.5); border: 1px solid rgba(99, 102, 241, 0.08);
    border-radius: var(--radius-md); transition: all var(--transition);
}
.stat-card:hover { border-color: rgba(99, 102, 241, 0.2); background: rgba(20, 20, 55, 0.5); }
.stat-icon { font-size: 1.4rem; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); }
.stat-icon-total { background: rgba(99, 102, 241, 0.1); }
.stat-icon-success { background: var(--success-bg); }
.stat-icon-failed { background: var(--danger-bg); }
.stat-icon-locked { background: var(--warning-bg); }
.stat-value { font-size: 1.5rem; font-weight: 800; font-family: var(--font-mono); display: block; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

.activity-section { margin-bottom: 24px; }
.activity-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.activity-header h2 { font-size: 1.1rem; font-weight: 700; }
.btn-clear {
    display: flex; align-items: center; gap: 4px; padding: 6px 12px;
    background: rgba(239, 68, 68, 0.08); border: 1px solid rgba(239, 68, 68, 0.15);
    border-radius: var(--radius-sm); color: var(--danger); font-size: 0.78rem;
    cursor: pointer; font-family: var(--font-main); transition: all var(--transition);
}
.btn-clear:hover { background: rgba(239, 68, 68, 0.15); }

.activity-log {
    max-height: 260px; overflow-y: auto; border-radius: var(--radius-md);
    background: rgba(10, 10, 26, 0.5); border: 1px solid rgba(99, 102, 241, 0.08);
}
.activity-log::-webkit-scrollbar { width: 5px; }
.activity-log::-webkit-scrollbar-track { background: transparent; }
.activity-log::-webkit-scrollbar-thumb { background: rgba(99, 102, 241, 0.2); border-radius: 4px; }

.log-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px; color: var(--text-muted); gap: 4px; }
.log-empty-sub { font-size: 0.78rem; opacity: 0.6; }

.log-entry {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    border-bottom: 1px solid rgba(99, 102, 241, 0.05);
    animation: slideIn 0.3s ease; font-size: 0.85rem;
}
.log-entry:last-child { border-bottom: none; }
@keyframes slideIn { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: translateX(0); } }

.log-badge {
    padding: 3px 8px; border-radius: 4px; font-size: 0.7rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px; white-space: nowrap;
}
.log-badge.success { background: var(--success-bg); color: var(--success); }
.log-badge.fail { background: var(--danger-bg); color: var(--danger); }
.log-badge.locked { background: var(--warning-bg); color: var(--warning); }

.log-message { flex: 1; color: var(--text-secondary); }
.log-message strong { color: var(--text-primary); font-weight: 600; }
.log-time { font-size: 0.72rem; color: var(--text-muted); font-family: var(--font-mono); white-space: nowrap; }

.how-it-works { padding-top: 20px; border-top: 1px solid rgba(99, 102, 241, 0.1); }
.how-it-works h3 { display: flex; align-items: center; gap: 8px; font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; }
.steps { display: flex; flex-direction: column; gap: 10px; }
.step { display: flex; align-items: center; gap: 12px; }
.step-num {
    width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.2));
    border: 1px solid rgba(99, 102, 241, 0.3); font-size: 0.78rem; font-weight: 700;
    color: var(--accent-indigo); flex-shrink: 0;
}
.step-text { font-size: 0.85rem; color: var(--text-secondary); }
.step-text strong { color: var(--text-primary); }

.success-modal {
    position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
    background: rgba(10, 10, 26, 0.9); backdrop-filter: blur(10px);
    animation: fadeIn 0.4s ease;
}
.success-modal.hidden { display: none; }
.success-modal-content {
    text-align: center; padding: 48px; background: var(--bg-card);
    border: 1px solid rgba(34, 197, 94, 0.3); border-radius: var(--radius-xl);
    box-shadow: 0 0 60px rgba(34, 197, 94, 0.1); max-width: 400px;
    animation: scaleIn 0.4s ease;
}
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.success-anim { font-size: 4rem; margin-bottom: 16px; animation: bounceIn 0.6s ease; }
@keyframes bounceIn { 0% { transform: scale(0); } 60% { transform: scale(1.2); } 100% { transform: scale(1); } }

.success-modal-content h2 { font-size: 1.5rem; color: var(--success); margin-bottom: 8px; }
.success-modal-content p { color: var(--text-secondary); margin-bottom: 4px; }
.success-sub { font-size: 0.85rem; color: var(--text-muted) !important; margin-bottom: 24px !important; }

.btn-continue {
    padding: 12px 32px; background: linear-gradient(135deg, #22c55e, #16a34a);
    border: none; border-radius: var(--radius-md); color: white; font-size: 0.95rem;
    font-weight: 600; cursor: pointer; font-family: var(--font-main); transition: all var(--transition);
}
.btn-continue:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(34, 197, 94, 0.3); }

@media (max-width: 900px) {
    .main-content { grid-template-columns: 1fr; }
    .app-container { padding: 12px; }
    .panel-glass { padding: 24px; }
}
@media (max-width: 500px) {
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .stat-card { padding: 12px; }
    .panel-header h1 { font-size: 1.4rem; }
}