/* ============================================
   AUTH PAGE STYLES
   ============================================ */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
    overflow: hidden;
}

.auth-bg {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}
.auth-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.4;
    animation: float 10s ease-in-out infinite;
}
.auth-orb.orb-1 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(108,99,255,0.7), transparent);
    top: -150px; left: -100px;
}
.auth-orb.orb-2 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(255,101,132,0.6), transparent);
    bottom: -100px; right: -100px;
    animation-delay: 3s;
}

.auth-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 440px;
}

.auth-brand {
    text-align: center;
    margin-bottom: 32px;
}
.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary) !important;
    margin-bottom: 8px;
}
.auth-brand p { color: var(--text-muted); font-size: 0.9rem; }

.auth-card {
    background: rgba(18, 18, 42, 0.9);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 36px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(108,99,255,0.1);
    animation: fadeIn 0.5s ease;
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    background: var(--bg-input);
    border-radius: var(--radius-pill);
    padding: 4px;
    margin-bottom: 28px;
    position: relative;
}
.auth-tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 10px;
    cursor: pointer;
    border-radius: var(--radius-pill);
    transition: color 0.3s ease;
    position: relative;
    z-index: 1;
    font-family: inherit;
}
.auth-tab.active { color: var(--text-primary); }
.tab-indicator {
    position: absolute;
    top: 4px; bottom: 4px;
    width: calc(50% - 4px);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-pill);
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(108,99,255,0.4);
}

/* Auth Alert */
.auth-alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: 20px;
    font-weight: 500;
    border: 1px solid;
}
.error-alert { background: rgba(255,101,132,0.1); border-color: var(--error); color: var(--error); }

/* Auth Form */
.auth-form { }
.auth-form.hidden { display: none; }
.auth-form.active { display: block; animation: fadeIn 0.3s ease; }

.form-group { margin-bottom: 18px; }
.form-group > label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}
.input-icon {
    position: absolute;
    left: 14px;
    font-size: 1rem;
    z-index: 1;
    pointer-events: none;
}
.input-wrapper input {
    width: 100%;
    padding: 13px 48px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition-fast);
}
.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108,99,255,0.15);
}
.toggle-pw {
    position: absolute;
    right: 14px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 4px;
    transition: var(--transition-fast);
    opacity: 0.6;
}
.toggle-pw:hover { opacity: 1; }

.terms-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.terms-check input { margin-top: 2px; accent-color: var(--primary); }
.terms-check a { color: var(--primary-light); }

/* Submit Button */
.btn-auth-submit {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    box-shadow: 0 6px 20px rgba(108,99,255,0.4);
    margin-top: 8px;
}
.btn-auth-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(108,99,255,0.5);
}
.register-submit {
    background: linear-gradient(135deg, var(--secondary), #d63062);
    box-shadow: 0 6px 20px rgba(255,101,132,0.4);
}
.register-submit:hover { box-shadow: 0 10px 30px rgba(255,101,132,0.5); }
.btn-arrow { font-size: 1.2rem; }

.auth-links {
    text-align: center;
    margin-top: 14px;
    font-size: 0.85rem;
}
.auth-links a { color: var(--text-muted); }
.auth-links a:hover { color: var(--primary-light); }

.auth-back {
    text-align: center;
    margin-top: 20px;
    font-size: 0.875rem;
}
.auth-back a { color: var(--text-muted) !important; }
.auth-back a:hover { color: var(--text-secondary) !important; }

@media (max-width: 480px) {
    .auth-card { padding: 28px 20px; }
}