:root {
    --bg-deep: #040d1a;
    --bg-mid: #071428;
    --bg-card: rgba(8, 22, 46, 0.72);
    --border-card: rgba(0, 200, 255, 0.12);
    --cyan: #00c8ff;
    --cyan-dim: rgba(0, 200, 255, 0.18);
    --cyan-glow: rgba(0, 200, 255, 0.35);
    --blue: #0072c6;
    --blue-bright: #1a8fe3;
    --text: #e2eaf4;
    --text-dim: #7a90a8;
    --text-muted: #3d5068;
    --success: #00e5a0;
    --error: #ff4d6d;
    --input-bg: rgba(0, 30, 60, 0.55);
    --input-border: rgba(0, 160, 220, 0.22);
    --radius: 14px;
    --radius-sm: 8px;
    --font-display: "Poppins", sans-serif;
    --font-mono: "DM Mono", monospace;
    --transition: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* FIX 1: body scrollable — hanya overflow-x yang dikunci */
html,
body {
    margin: 0;
    font-family: var(--font-display);
    background: var(--bg-deep);
    color: var(--text);
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 100%;
}

/* FIX 2: sembunyikan scrollbar hanya pada inner panels, bukan body */
.brand-panel,
.form-scroll-area {
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.brand-panel::-webkit-scrollbar,
.form-scroll-area::-webkit-scrollbar {
    display: none;
}

#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
    animation: blobFloat 14s ease-in-out infinite;
}
.blob-1 {
    width: 520px;
    height: 520px;
    background: radial-gradient(
        circle,
        rgba(0, 114, 198, 0.18) 0%,
        transparent 70%
    );
    top: -140px;
    left: -100px;
    animation-duration: 16s;
}
.blob-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(
        circle,
        rgba(0, 200, 255, 0.12) 0%,
        transparent 70%
    );
    bottom: -100px;
    right: -60px;
    animation-duration: 20s;
    animation-delay: -8s;
}
.blob-3 {
    width: 280px;
    height: 280px;
    background: radial-gradient(
        circle,
        rgba(0, 229, 160, 0.07) 0%,
        transparent 70%
    );
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-duration: 24s;
    animation-delay: -4s;
}

@keyframes blobFloat {
    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -20px) scale(1.05);
    }
    66% {
        transform: translate(-20px, 18px) scale(0.97);
    }
}

/* FIX 3: page-wrapper — tidak ada overflow-y, body yang handle scroll */
.page-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

/* FIX 4: login-row — HAPUS overflow:hidden supaya konten bisa mengembang */
.login-row {
    width: 100%;
    max-width: 1080px;
    min-height: min(640px, 88vh);
    background: var(--bg-card);
    backdrop-filter: blur(24px) saturate(1.4);
    -webkit-backdrop-filter: blur(24px) saturate(1.4);
    border: 1px solid var(--border-card);
    border-radius: 24px;
    /* overflow: hidden  <-- ini penyebabnya, sengaja dihapus */
    box-shadow:
        0 0 0 1px rgba(0, 200, 255, 0.06),
        0 32px 80px rgba(0, 0, 0, 0.55),
        0 0 120px rgba(0, 114, 198, 0.12);
    animation: cardEntrance 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: translateY(32px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Brand panel kiri */
.brand-panel {
    background: linear-gradient(
        145deg,
        rgba(0, 30, 70, 0.9) 0%,
        rgba(0, 15, 40, 0.95) 100%
    );
    border-right: 1px solid var(--border-card);
    border-radius: 24px 0 0 24px;
    padding: 56px 44px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden; /* overflow:hidden di sini OK karena bukan body/page */
}
.brand-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 200, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 200, 255, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
}
.brand-panel::after {
    content: "";
    position: absolute;
    bottom: -60px;
    left: -60px;
    width: 340px;
    height: 340px;
    background: radial-gradient(
        circle,
        rgba(0, 200, 255, 0.08) 0%,
        transparent 65%
    );
    pointer-events: none;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    animation: fadeSlideIn 0.6s 0.2s both;
}
.logo-icon {
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-size: 22px;
    color: #fff;
    box-shadow: 0 0 24px var(--cyan-glow);
    position: relative;
    overflow: hidden;
}
.logo-icon::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.25) 0%,
        transparent 60%
    );
    border-radius: inherit;
}
.logo-text {
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-dim);
    line-height: 1.3;
}
.logo-text strong {
    display: block;
    font-size: 16px;
    color: var(--text);
    letter-spacing: 0.02em;
}

.brand-headline {
    position: relative;
    z-index: 1;
    animation: fadeSlideIn 0.6s 0.4s both;
}
.brand-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.brand-tag::before {
    content: "";
    display: inline-block;
    width: 24px;
    height: 1px;
    background: var(--cyan);
    opacity: 0.6;
}
.brand-headline h2 {
    font-size: clamp(26px, 3vw, 36px);
    font-weight: 800;
    line-height: 1.25;
    color: var(--text);
    margin-bottom: 16px;
}
.brand-headline h2 span {
    background: linear-gradient(90deg, var(--cyan), var(--blue-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.brand-headline p {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.7;
    max-width: 300px;
}

.brand-features {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
    animation: fadeSlideIn 0.6s 0.6s both;
}
.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-dim);
    padding: 10px 14px;
    background: rgba(0, 200, 255, 0.04);
    border: 1px solid rgba(0, 200, 255, 0.08);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.feature-item:hover {
    background: rgba(0, 200, 255, 0.08);
    border-color: rgba(0, 200, 255, 0.18);
    color: var(--text);
    transform: translateX(4px);
}
.feature-item i {
    color: var(--cyan);
    font-size: 15px;
    flex-shrink: 0;
}

/* Form panel kanan */
.form-panel {
    padding: 0;
    display: flex;
    flex-direction: column;
    background: rgba(4, 14, 32, 0.6);
    border-radius: 0 24px 24px 0;
}

/* FIX 5: form-scroll-area — tidak perlu overflow-y:auto, body yang scroll */
.form-scroll-area {
    flex: 1;
    padding: 52px 48px;
}

/* Form header */
.form-header {
    margin-bottom: 36px;
    animation: fadeSlideIn 0.6s 0.3s both;
}
.form-header .welcome-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--cyan);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.6;
        transform: scale(0.8);
    }
}
.form-header h1 {
    font-size: clamp(24px, 3.5vw, 32px);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
    line-height: 1.2;
}
.form-header p {
    font-size: 13.5px;
    color: var(--text-dim);
}

/* Field groups */
.field-group {
    margin-bottom: 20px;
    animation: fadeSlideIn 0.5s both;
}
.field-group:nth-child(1) {
    animation-delay: 0.4s;
}
.field-group:nth-child(2) {
    animation-delay: 0.5s;
}
.field-group:nth-child(3) {
    animation-delay: 0.6s;
}
.field-group:nth-child(4) {
    animation-delay: 0.7s;
}

.field-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11.5px;
    font-weight: 500;
    color: var(--text-dim);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 8px;
    transition: color var(--transition);
}
.input-wrap {
    position: relative;
}
.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 16px;
    pointer-events: none;
    transition: color var(--transition);
    z-index: 2;
}
.form-input {
    width: 100%;
    height: 52px;
    padding: 0 48px 0 46px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font-display);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    -webkit-appearance: none;
}
.form-input::placeholder {
    color: var(--text-muted);
}
.form-input:focus {
    border-color: var(--cyan);
    background: rgba(0, 40, 80, 0.7);
    box-shadow:
        0 0 0 3px rgba(0, 200, 255, 0.1),
        inset 0 1px 0 rgba(0, 200, 255, 0.08);
}
.field-group:focus-within .field-label {
    color: var(--cyan);
}
.field-group:focus-within .input-icon {
    color: var(--cyan);
}
.input-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: calc(100% - 2px);
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}
.form-input:focus ~ .input-line {
    transform: translateX(-50%) scaleX(1);
}
.input-icon-right {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 17px;
    cursor: pointer;
    z-index: 2;
    padding: 4px;
    border-radius: 4px;
    transition: color var(--transition);
    background: none;
    border: none;
    display: flex;
    align-items: center;
}
.input-icon-right:hover {
    color: var(--cyan);
}

/* Checkbox */
.check-group {
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeSlideIn 0.5s 0.72s both;
}
.custom-check {
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--input-border);
    border-radius: 4px;
    background: var(--input-bg);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    flex-shrink: 0;
    position: relative;
    transition: var(--transition);
}
.custom-check:checked {
    background: var(--cyan);
    border-color: var(--cyan);
    box-shadow: 0 0 10px rgba(0, 200, 255, 0.3);
}
.custom-check:checked::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 5px;
    width: 6px;
    height: 10px;
    border: 2px solid #040d1a;
    border-top: none;
    border-left: none;
    transform: rotate(45deg);
}
.check-label {
    font-size: 13px;
    color: var(--text-dim);
    cursor: pointer;
    user-select: none;
}
.link-forgot {
    font-size: 13px;
    color: var(--cyan);
    text-decoration: none;
    font-family: var(--font-mono);
    letter-spacing: 0.02em;
    transition: var(--transition);
    margin-left: auto;
}
.link-forgot:hover {
    color: #fff;
    text-shadow: 0 0 12px var(--cyan-glow);
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 24px 0;
    animation: fadeSlideIn 0.5s 0.78s both;
}
.divider::before,
.divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border-card);
}
.divider span {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

/* Submit button */
.btn-login {
    width: 100%;
    height: 52px;
    background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
    border: none;
    border-radius: var(--radius-sm);
    color: #fff;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.04em;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 24px rgba(0, 114, 198, 0.35);
    animation: fadeSlideIn 0.5s 0.8s both;
}
.btn-login::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--cyan), var(--blue));
    opacity: 0;
    transition: opacity var(--transition);
}
.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 36px rgba(0, 200, 255, 0.35);
}
.btn-login:hover::before {
    opacity: 1;
}
.btn-login:active {
    transform: translateY(0);
}
.btn-login span {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-login::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.18),
        transparent
    );
    transform: skewX(-20deg);
    animation: shimmer 3.5s 1.5s ease-in-out infinite;
}
@keyframes shimmer {
    0% {
        left: -100%;
    }
    40%,
    100% {
        left: 160%;
    }
}

.btn-login.loading {
    pointer-events: none;
}
.btn-login.loading span {
    opacity: 0;
}
.btn-login.loading::before {
    opacity: 0.6;
}
.spinner-ring {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 22px;
    height: 22px;
}
.btn-login.loading .spinner-ring {
    display: block;
}
.spinner-ring svg {
    animation: spin 0.9s linear infinite;
}
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Social */
.social-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    animation: fadeSlideIn 0.5s 0.86s both;
}
.btn-social {
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    font-size: 13px;
    font-family: var(--font-display);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}
.btn-social:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
    color: var(--text);
    transform: translateY(-1px);
}
.btn-social i {
    font-size: 16px;
}

/* Register + sys info */
.register-row {
    text-align: center;
    margin-top: 24px;
    font-size: 13px;
    color: var(--text-muted);
    animation: fadeSlideIn 0.5s 0.92s both;
}
.register-row a {
    color: var(--cyan);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}
.register-row a:hover {
    color: #fff;
}
.sys-info {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 6px;
    letter-spacing: 0.06em;
}
.sys-info span {
    color: var(--cyan);
    opacity: 0.7;
}

/* Alert */
.alert-error {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(255, 77, 109, 0.1);
    border: 1px solid rgba(255, 77, 109, 0.3);
    border-radius: var(--radius-sm);
    color: #ff8fa3;
    font-size: 13.5px;
    margin-bottom: 20px;
    animation: shakeIn 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}
@keyframes shakeIn {
    0%,
    100% {
        transform: translateX(0);
    }
    10%,
    50%,
    90% {
        transform: translateX(-6px);
    }
    30%,
    70% {
        transform: translateX(6px);
    }
}

/* Entrance */
@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Particles */
.particle {
    position: fixed;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
    animation: floatUp linear infinite;
    opacity: 0;
}
@keyframes floatUp {
    0% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(-100vh) translateX(var(--drift));
        opacity: 0;
    }
}

/* ── Responsive ── */
@media (max-width: 991.98px) {
    .page-wrapper {
        align-items: flex-start;
        padding: 16px;
    }
    .login-row {
        min-height: auto;
        border-radius: 18px;
    }
    .brand-panel {
        padding: 32px 28px 28px;
        border-right: none;
        border-bottom: 1px solid var(--border-card);
        border-radius: 18px 18px 0 0;
    }
    .form-panel {
        border-radius: 0 0 18px 18px;
    }
    .brand-features {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
    }
    .feature-item {
        flex: 1 1 calc(50% - 4px);
        min-width: 0;
    }
    .form-scroll-area {
        padding: 40px 36px;
    }
}
@media (max-width: 575.98px) {
    .brand-panel {
        padding: 24px 20px 20px;
    }
    .brand-headline h2 {
        font-size: 22px;
    }
    .feature-item {
        flex: 1 1 100%;
    }
    .social-row {
        grid-template-columns: 1fr;
    }
    .form-scroll-area {
        padding: 32px 24px;
    }
}
@media (min-width: 1400px) {
    .login-row {
        max-width: 1120px;
    }
}

input:-webkit-autofill,
input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 1000px rgba(0, 30, 60, 0.9) inset;
    -webkit-text-fill-color: var(--text);
    transition: background-color 9999s ease;
}

/* ══ OTP LOGIN UI ══ */
.btn-otp-toggle, .btn-back-login {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 200, 255, 0.15);
    border-radius: var(--radius-sm);
    color: var(--text-dim);
    padding: 10px;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-otp-toggle:hover, .btn-back-login:hover {
    background: rgba(0, 200, 255, 0.08);
    color: var(--cyan);
    border-color: var(--cyan);
}

.otp-header {
    text-align: center;
    margin-bottom: 24px;
}
.otp-header i {
    font-size: 32px;
    color: var(--cyan);
    display: block;
    margin-bottom: 12px;
}
.otp-header p {
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.6;
}

.otp-boxes {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    margin: 20px 0;
}
.otp-box {
    width: 100%;
    aspect-ratio: 1/1;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    color: var(--cyan);
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    transition: var(--transition);
    outline: none;
}
.otp-box:focus {
    border-color: var(--cyan);
    background: rgba(0, 40, 80, 0.8);
    box-shadow: 0 0 15px var(--cyan-glow);
    transform: translateY(-2px);
}
.otp-box.filled {
    border-color: var(--cyan);
    background: rgba(0, 40, 80, 0.6);
}

.resend-text {
    text-align: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 16px;
}
.resend-text button {
    background: none;
    border: none;
    color: var(--cyan);
    font-weight: 600;
    padding: 0;
    margin-left: 5px;
    cursor: pointer;
    transition: var(--transition);
}
.resend-text button:disabled {
    color: var(--text-muted);
    cursor: not-allowed;
    opacity: 0.5;
}
.resend-text button:not(:disabled):hover {
    color: #fff;
    text-shadow: 0 0 10px var(--cyan-glow);
}

#btnResendOtp.loading span {
    opacity: 0;
}
#btnResendOtp.loading .spinner-ring {
    display: block;
}

.field-msg {
    font-size: 12px;
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.field-msg.error { color: var(--error); }
.field-msg.success { color: var(--success); }

@media (max-width: 575.98px) {
    .otp-boxes { gap: 8px; }
    .otp-box { font-size: 20px; }
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-5px); }
    40%, 80% { transform: translateX(5px); }
}
.error-shake {
    animation: errorShake 0.4s cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
    border-color: var(--error) !important;
}