/* ============================================
   Lumavoid – Login Page Styles
   Matching dark purple theme
   ============================================ */

:root {
    --bg-primary: #06060b;
    --bg-secondary: #0c0c14;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --border-glass: rgba(255, 255, 255, 0.07);
    --text-primary: #f0f0f5;
    --text-secondary: #9495a5;
    --text-muted: #5a5b6e;
    --accent-purple: #7B5CFA;
    --accent-purple-light: #A855F7;
    --accent-lavender: #c084fc;
    --accent-gold: #e8b830;
    --gradient-primary: linear-gradient(135deg, #7B5CFA 0%, #A855F7 100%);
    --shadow-glow: 0 0 60px rgba(123, 92, 250, 0.15);
    --radius-md: 14px;
    --radius-lg: 22px;
    --radius-xl: 30px;
    --font-primary: 'Manrope', -apple-system, sans-serif;
    --font-display: 'Sora', 'Manrope', sans-serif;
    --font-italic: 'Playfair Display', serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

#particleCanvas {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none;
}

/* Ambient Glows – Purple theme */
.ambient-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(130px);
    pointer-events: none;
    z-index: 0;
}
.ambient-glow--1 {
    width: 550px; height: 550px;
    background: radial-gradient(circle, rgba(123,92,250,0.2), transparent);
    top: -200px; left: -150px;
    animation: glowFloat 12s ease-in-out infinite;
}
.ambient-glow--2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(168,85,247,0.12), transparent);
    bottom: -100px; right: -100px;
    animation: glowFloat 15s ease-in-out infinite reverse;
}
.ambient-glow--3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(232,184,48,0.06), transparent);
    top: 40%; left: 50%;
    animation: glowFloat 10s ease-in-out infinite 3s;
}
@keyframes glowFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-15px, 15px) scale(0.95); }
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Login Wrapper */
.login-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    min-height: 100vh;
}

/* Brand Panel */
.login-brand {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 40px;
    justify-content: space-between;
}

.login-brand__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
}

.login-brand__content {
    max-width: 420px;
}

.login-brand__content h1 {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.login-brand__content p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.login-brand__features {
    display: flex;
    gap: 16px;
}

.login-brand__feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.login-brand__feature:hover {
    background: rgba(123,92,250,0.1);
    border-color: rgba(123,92,250,0.2);
}

.login-brand__feature-icon {
    font-size: 1.1rem;
}

/* Form Panel */
.login-form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 44px 36px;
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 80px rgba(123,92,250,0.05);
}

.login-card__header {
    margin-bottom: 32px;
}

.login-card__header h2 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.login-card__header p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Form */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition);
}

.input-wrapper input {
    width: 100%;
    padding: 14px 16px 14px 46px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
}

.input-wrapper input:focus {
    border-color: var(--accent-purple);
    background: rgba(123, 92, 250, 0.06);
    box-shadow: 0 0 0 3px rgba(123, 92, 250, 0.1);
}

.input-wrapper input:focus + .input-icon,
.input-wrapper input:focus ~ .input-icon {
    color: var(--accent-purple);
}

.form-group.error .input-wrapper input {
    border-color: #FF4757;
    background: rgba(255, 71, 87, 0.05);
}

.form-error {
    display: none;
    font-size: 0.75rem;
    color: #FF4757;
    margin-top: 6px;
    padding-left: 4px;
}

.form-group.error .form-error {
    display: block;
}

.form-error-global {
    display: none;
    padding: 12px 16px;
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.2);
    border-radius: var(--radius-md);
    color: #FF4757;
    font-size: 0.85rem;
    margin-bottom: 20px;
    text-align: center;
}

.form-error-global.visible {
    display: block;
    animation: shakeIn 0.4s ease;
}

@keyframes shakeIn {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    50% { transform: translateX(8px); }
    75% { transform: translateX(-4px); }
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 14px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    transition: var(--transition);
}
.password-toggle:hover { color: var(--text-primary); }
.password-toggle svg { width: 18px; height: 18px; }

/* Submit Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-primary);
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(123, 92, 250, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 35px rgba(123, 92, 250, 0.45);
}

.btn--primary:active {
    transform: translateY(0);
}

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

.btn--primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    animation: btnShine 3s infinite;
}

@keyframes btnShine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

.btn.loading .btn__text { opacity: 0; }
.btn__loader { display: none; position: absolute; }
.btn.loading .btn__loader { display: block; }

.spinner {
    width: 22px; height: 22px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer */
.login-card__footer {
    margin-top: 28px;
    text-align: center;
}

.login-card__footer p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.login-card__footer code {
    background: rgba(123, 92, 250, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.72rem;
    color: var(--accent-purple);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 900px) {
    .login-wrapper { flex-direction: column; }

    .login-brand {
        padding: 32px 24px 20px;
    }

    .login-brand__content {
        max-width: 100%;
    }

    .login-brand__content h1 {
        font-size: 2rem;
    }

    .login-brand__features {
        flex-wrap: wrap;
        gap: 10px;
    }

    .login-form-panel {
        padding: 20px 24px 40px;
    }

    .login-card {
        padding: 32px 24px;
    }
}

@media (max-width: 480px) {
    .login-brand__content h1 {
        font-size: 1.6rem;
    }

    .login-brand__features {
        display: none;
    }
}