.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.auth-card {
    background: var(--surface);
    backdrop-filter: blur(24px) saturate(160%);
    border: 1px solid var(--border-bright);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 1100px;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    min-height: 700px;
    overflow: hidden;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4), 0 0 50px rgba(99, 102, 241, 0.1);
    animation: authEntrance 1s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 10;
}

@keyframes authEntrance {
    from { opacity: 0; transform: translateY(40px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-sidebar {
    background: linear-gradient(165deg, var(--primary-dark), #312e81);
    padding: 4.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.auth-sidebar::before {
    content: "";
    position: absolute;
    top: -10%;
    right: -10%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    filter: blur(40px);
}

.auth-sidebar h2 {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 2rem;
    line-height: 1;
    font-family: 'Outfit', 'Tajawal', sans-serif;
    background: linear-gradient(to bottom, #fff, rgba(255,255,255,0.7));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: float 6s ease-in-out infinite;
}

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

.auth-sidebar p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    max-width: 380px;
    margin-bottom: 3.5rem;
}

.auth-form-container {
    padding: 4.5rem;
    background: rgba(15, 23, 42, 0.2);
    display: flex;
    flex-direction: column;
}

.auth-header {
    margin-bottom: 3.5rem;
    text-align: center;
}

.auth-header h1 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 0.6rem;
    color: white;
}

.auth-header p {
    color: var(--text-dim);
    font-size: 1.1rem;
}

.auth-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 3rem;
    background: var(--bg-darker);
    padding: 0.4rem;
    border-radius: 99px;
    border: 1px solid var(--border);
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 0.8rem;
    color: var(--text-dim);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    border-radius: 99px;
    transition: var(--tr-normal);
}

.tab-btn.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px var(--primary-glow);
}

.form-panel {
    display: none;
    animation: panelFade 0.4s ease forwards;
}

.form-panel.active {
    display: block;
}

@keyframes panelFade {
    from { opacity: 0; transform: translateX(10px); }
    to { opacity: 1; transform: translateX(0); }
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dim);
}

.form-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-bright);
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    transition: var(--tr-normal);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 4px var(--primary-glow), inset 0 0 8px rgba(99, 102, 241, 0.1);
    transform: translateY(-1px);
}

.btn-auth {
    width: 100%;
    padding: 1.1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 800;
    font-size: 1.1rem;
    cursor: pointer;
    margin-top: 1rem;
    transition: var(--tr-spring);
    box-shadow: 0 8px 16px var(--primary-glow);
}

.btn-auth:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px var(--primary-glow);
}

.auth-footer {
    margin-top: 3rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.95rem;
}

.auth-footer a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 700;
    margin-inline-start: 8px;
    transition: var(--tr-fast);
}

.auth-footer a:hover {
    color: white;
    text-decoration: underline;
}

/* Feature indicators in sidebar */
.sidebar-features {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.sidebar-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-feature i {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 254, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: var(--tr-normal);
}

.sidebar-feature:hover i {
    background: white;
    color: var(--primary);
    transform: scale(1.1);
}

@media (max-width: 968px) {
    .auth-card { grid-template-columns: 1fr; max-width: 500px; }
    .auth-sidebar { display: none; }
    .auth-form-container { padding: 3.5rem 2rem; }
}