/* ==========================================================================
   1. DESIGN TOKENS (dipakai di seluruh auth)
   ========================================================================== */
:root {
    color-scheme: light;
    --brand-50: #eef2ff;
    --brand-100: #e3e8ff;
    --brand-200: #cfd8ff;
    --brand-500: #6366f1;
    --brand-600: #4f46e5;
    --brand-700: #4338ca;
    --teal-500: #2ec4a6;
    --teal-100: #d8f6ef;
    --amber-100: #fff7d6;
    --amber-500: #f4b400;
    --rose-100: #ffe3e5;
    --rose-500: #ff6b6b;
    --slate-25: #f5f7fa;
    --slate-50: #f0f3fb;
    --slate-100: #e3e8f3;
    --slate-200: #d1d9ea;
    --slate-300: #bcc7de;
    --slate-500: #5d647f;
    --slate-600: #444b65;
    --slate-900: #1f2937;
    --surface: #fdfdff;
    --surface-muted: #f2f4fc;
    --surface-card: #ffffff;
    --glass: rgba(255, 255, 255, 0.9);
    --shadow-soft: 0 30px 60px rgba(22, 33, 63, 0.12);
    --shadow-card: 0 8px 24px rgba(22, 33, 63, 0.08);
    --shadow-glow: 0 0 24px rgba(99, 102, 241, 0.25);
    --accent: #6366f1;
    --accent-strong: #4f46e5;
    --accent-soft: rgba(99, 102, 241, 0.14);
    --bg-body: #f5f7fa;
    --text-primary: #1f2937;
    --text-muted: #4b5565;
    --border-color: rgba(31, 41, 55, 0.08);
    --border-muted: rgba(31, 41, 55, 0.04);
    --border-strong: rgba(31, 41, 55, 0.16);
    --layer-1: #ffffff;
    --layer-2: #f2f4fc;
    --radius-xl: 32px;
    --border-radius: 20px;
    --radius-pill: 999px;
    --font-family: "Inter", "Poppins", "Segoe UI", system-ui, sans-serif;
    --transition: 0.35s ease;
}

:root[data-theme="light"] {
    color-scheme: light;
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --slate-25: #050912;
    --slate-50: #0a0f1c;
    --slate-100: #101728;
    --slate-200: #1a2135;
    --slate-300: #252d44;
    --slate-500: #a1a9c7;
    --slate-600: #9aa3c6;
    --slate-900: #e4e9ff;
    --surface: #11192a;
    --surface-muted: #0c111f;
    --surface-card: #162036;
    --glass: rgba(15, 23, 42, 0.72);
    --shadow-soft: 0 30px 80px rgba(2, 6, 23, 0.85);
    --shadow-card: 0 25px 40px rgba(5, 9, 20, 0.8);
    --shadow-glow: 0 0 35px rgba(129, 140, 248, 0.45);
    --accent: #818cf8;
    --accent-strong: #a5b4fc;
    --accent-soft: rgba(129, 140, 248, 0.2);
    --bg-body: #0f172a;
    --text-primary: #f3f6ff;
    --text-muted: #c8d2ef;
    --border-color: rgba(148, 163, 184, 0.3);
    --border-muted: rgba(148, 163, 184, 0.16);
    --border-strong: rgba(226, 232, 255, 0.45);
    --layer-1: #141d32;
    --layer-2: #0f1626;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        color-scheme: dark;
        --slate-25: #050912;
        --slate-50: #0a0f1c;
        --slate-100: #101728;
        --slate-200: #1a2135;
        --slate-300: #252d44;
        --slate-500: #a1a9c7;
        --slate-600: #9aa3c6;
        --slate-900: #e4e9ff;
        --surface: #11192a;
        --surface-muted: #0c111f;
        --surface-card: #162036;
        --glass: rgba(15, 23, 42, 0.72);
        --shadow-soft: 0 30px 80px rgba(2, 6, 23, 0.85);
        --shadow-card: 0 25px 40px rgba(5, 9, 20, 0.8);
        --shadow-glow: 0 0 35px rgba(129, 140, 248, 0.45);
        --accent: #818cf8;
        --accent-strong: #a5b4fc;
        --accent-soft: rgba(129, 140, 248, 0.2);
        --bg-body: #0f172a;
        --text-primary: #f3f6ff;
        --text-muted: #c8d2ef;
        --border-color: rgba(148, 163, 184, 0.3);
        --border-muted: rgba(148, 163, 184, 0.16);
        --border-strong: rgba(226, 232, 255, 0.45);
        --layer-1: #141d32;
        --layer-2: #0f1626;
    }
}

/* ==========================================================================
   2. BASE + TYPOGRAPHY (minimal untuk auth)
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: #ffffff;
}

body {
    font-family: var(--font-family);
    font-size: clamp(15px, 1.2vw, 16.2px);
    background: #ffffff;
    margin: 0;
    color: var(--text-primary);
    line-height: 1.65;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    transition: background 0.45s ease, color 0.35s ease, border-color 0.35s ease,
        box-shadow 0.35s ease;
}

body.auth-body--locked {
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.auth-body--locked .page-content {
    padding: 0;
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 14px;
}

a {
    color: inherit;
    text-decoration: none;
}

p {
    color: var(--text-muted);
    margin: 0 0 1rem;
}

h1,
h2,
h3,
h4,
h5 {
    margin: 0 0 0.75rem;
    color: var(--text-primary);
    line-height: 1.2;
    font-weight: 600;
    letter-spacing: -0.02em;
}

section {
    margin: 0 auto;
    scroll-margin-top: 120px;
}

::selection {
    background: var(--brand-600);
    color: #fff;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
}

/* ==========================================================================
   3. BUTTONS + ALERTS (dipakai di login)
   ========================================================================== */
.btn-primary {
    border: none;
    border-radius: var(--radius-pill);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.85rem 1.8rem;
    min-width: 140px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: none;
    background: linear-gradient(135deg, #4b5bdc, #6fa2f5);
    color: #ffffff;
    box-shadow: 0 14px 30px rgba(79, 97, 214, 0.28);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(79, 97, 214, 0.32);
}

.btn-rounded {
    border-radius: 999px;
    font-size: 1rem;
    padding: 0.95rem;
    font-weight: 600;
    width: 100%;
}

/* Google button */
.btn-google {
    border: 1px solid #4b5bdc;
    background: linear-gradient(135deg, #4b5bdc, #6fa2f5);
    padding: 1.2rem 1rem;
    min-width: 140px;
    border-radius: var(--radius-pill);
    font-weight: 600;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    transition: var(--transition);
    color: #ffffff;
    box-shadow: 0 12px 28px rgba(79, 97, 214, 0.24);
}

.btn-google:hover {
    border-color: #6fa2f5;
    box-shadow: 0 16px 32px rgba(79, 97, 214, 0.3);
}

/* Alerts */
.alert {
    padding: 1rem 1.2rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.3rem;
    font-weight: 500;
}

.alert-success {
    background: var(--teal-100);
    color: var(--teal-500);
}

.alert-danger {
    background: var(--rose-100);
    color: var(--rose-500);
}

/* ==========================================================================
   4. AUTH PAGE (khusus login/register)
   ========================================================================== */
.auth-page {
    display: grid;
    grid-template-columns: minmax(360px, 1fr) minmax(360px, 480px);
    gap: 0;
    align-items: stretch;
    width: 100vw;
    margin: 0;
    min-height: 100vh;
    background: transparent;
    padding: 0;
}

.auth-page--modern {
    grid-template-columns: minmax(520px, 1.4fr) minmax(360px, 1fr);
    width: 100vw;
    border-radius: 0;
    overflow: visible;
    background: transparent;
    box-shadow: none;
    min-height: 100vh;
    position: relative;
    margin: 0 auto;
    padding: 0;
}

/* Panel visual kiri */
.auth-visual-panel {
    position: sticky;
    top: 0;
    padding: 0 clamp(2.2rem, 2vw, 3.4rem) clamp(2rem, 2vw, 3rem);
    bottom: 0;
    background: radial-gradient(
            circle at 20% 20%,
            rgba(255, 255, 255, 0.12),
            transparent 45%
        ),
        radial-gradient(
            circle at 80% 0%,
            rgba(255, 255, 255, 0.2),
            transparent 55%
        ),
        linear-gradient(135deg, #9fbfe6, #6d94c5 45%, #3f5f8e);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    min-height: 100vh;
    width: 100%;
    border-radius: 0;
}

.auth-visual-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(20, 33, 81, 0) 0%,
        rgba(12, 18, 43, 0.25) 100%
    );
    pointer-events: none;
    z-index: 0;
}

.auth-visual-panel__topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: clamp(1rem, 2vw, 1.6rem);
    position: relative;
    z-index: 3;
}

/* Tombol kembali */
.auth-visual-panel__back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.1rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    background: rgba(4, 9, 31, 0.25);
    backdrop-filter: blur(8px);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.auth-visual-panel__back:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Logo di panel kiri */
.auth-visual-panel__logo {
    position: relative;
    z-index: 3;
    font-size: 1.6rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    text-transform: none;
    margin-left: auto;
    margin-top: 16px;
}

.logo-mark {
    width: 54px;
    height: 54px;
    filter: drop-shadow(0 14px 24px rgba(12, 18, 38, 0.35));
    transform: translateY(-4px) translateX(4px);
}

/* Headline panel kiri */
.auth-visual-panel__headline {
    position: relative;
    z-index: 3;
    margin-top: clamp(1rem, 2vh, 1.6rem);
    max-width: 420px;
}

.auth-visual-panel__headline h3 {
    font-size: clamp(1.9rem, 3vw, 2.4rem);
    margin: 0.2rem 0;
    color: #fff;
}

.auth-visual-panel__headline p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    line-height: 1.5;
}

/* Slide ilustrasi */
.auth-visual-panel__slide {
    position: absolute;
    top: clamp(2rem, 8vh, 4rem);
    bottom: clamp(5rem, 10vh, 6rem);
    left: clamp(2rem, 3vw, 3rem);
    right: clamp(2rem, 3vw, 3rem);
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    text-align: left;
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    z-index: 1;
}

.auth-visual-panel__slide.is-active {
    opacity: 1;
    transform: translateX(0);
}

.auth-visual-panel__slide figure {
    margin: 0;
    width: min(100%, 460px);
    min-height: clamp(240px, 50vh, 420px);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-inline: auto;
}

.auth-visual-panel__slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-width: none;
    max-height: none;
    display: block;
    filter: drop-shadow(0 24px 40px rgba(8, 9, 37, 0.35));
}

/* Panel kanan: form login */
.auth-panel {
    padding: clamp(1.6rem, 2.4vw, 2.2rem);
    padding-bottom: clamp(2rem, 3vw, 2.8rem);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 1rem;
    background: #ffffff;
    color: #1f2733;
    width: 100%;
    max-width: none;
    margin: 0;
    align-self: stretch;
    height: 100vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #7ea5f7 rgba(15, 23, 42, 0.08);
}

.auth-panel::-webkit-scrollbar {
    width: 10px;
}

.auth-panel::-webkit-scrollbar-track {
    background: rgba(15, 23, 42, 0.08);
    border-radius: 999px;
}

.auth-panel::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #8bb5ff, #4b5bdc);
    border-radius: 999px;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.auth-panel::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #9bc3ff, #5c6cf0);
}

.auth-panel__header h2 {
    font-size: clamp(1.9rem, 2.6vw, 2.3rem);
    margin: 0.1rem 0 0.15rem;
    color: #1f2733;
}

.auth-panel__header p {
    color: #4b5565;
    margin-top: 0.3rem;
    line-height: 1.5;
}

.auth-panel__body {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

/* Form login modern */
.auth-form-modern {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.form-lab {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-weight: 600;
    color: #1f2733;
}

.password-field {
    position: relative;
    display: flex;
    align-items: center;
}

.password-field input {
    width: 100%;
    padding-right: 2.8rem;
}

.password-toggle {
    position: absolute;
    right: 0.35rem;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: calc(100% - 8px);
    border: none;
    border-radius: 999px;
    background: transparent;
    color: #4b5bdc;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.password-toggle:hover {
    background: rgba(79, 97, 214, 0.08);
}

.password-toggle svg {
    width: 18px;
    height: 18px;
}

.password-toggle .is-hidden {
    display: none;
}

.password-toggle.is-visible .icon-eye-open {
    display: none;
}

.password-toggle.is-visible .icon-eye-off {
    display: inline;
}

.form-lab input {
    border-radius: 12px;
    border: 1.3px solid rgba(99, 102, 241, 0.18);
    padding: 0.82rem 1rem;
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease,
        background-color 0.2s ease;
    background: #ffffff;
    color: #111827;
    font-family: var(--font-family);
    box-shadow: 0 10px 20px rgba(79, 97, 214, 0.06);
}

.form-lab input:-webkit-autofill,
.form-lab input:-webkit-autofill:focus,
.form-lab input:-webkit-autofill:hover {
    box-shadow: 0 0 0 1000px #ffffff inset, 0 10px 20px rgba(79, 97, 214, 0.06);
    -webkit-text-fill-color: #111827;
    border-color: rgba(99, 102, 241, 0.18);
    transition: background-color 5000s ease-in-out 0s;
}

.form-lab input:focus {
    border-color: #4f46e5;
    outline: none;
    box-shadow: 0 14px 28px rgba(79, 97, 214, 0.12);
    background: #ffffff;
}

.form-help {
    font-size: 0.9rem;
    text-align: right;
    color: #4b5565;
    margin-top: -0.4rem;
    margin-bottom: 0.4rem;
}

.form-help a {
    color: #4c70c6;
    font-weight: 600;
}

.auth-form-modern .btn-primary {
    margin-top: 0.8rem;
    box-shadow: 0 16px 36px rgba(79, 97, 214, 0.22);
}

/* OAuth dan divider */
.auth-oauth {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.auth-oauth--outline .btn-google {
    border: 1.5px solid rgba(31, 41, 55, 0.1);
    background: #ffffff;
    border-radius: 18px;
    font-weight: 600;
    color: #1f2733;
    box-shadow: 0 10px 24px rgba(80, 107, 189, 0.15);
}

.auth-divider {
    text-align: center;
    position: relative;
    font-size: 0.85rem;
    color: #5d647f;
    margin: 0.6rem 0;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 32%;
    height: 1px;
    background: rgba(31, 41, 55, 0.08);
}

.auth-divider::before {
    left: 0;
}

.auth-divider::after {
    right: 0;
}

.auth-divider--muted span {
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    color: var(--slate-500);
}

/* Teks bawah "Belum punya akun?" */
.auth-switch {
    text-align: center;
    margin-top: 0.15rem;
    color: var(--slate-500);
    font-size: 0.95rem;
}

.auth-switch a {
    color: var(--brand-600);
    font-weight: 600;
}

/* ==========================================================================
   5. RESPONSIVE (khusus auth)
   ========================================================================== */
@media (max-width: 992px) {
    .auth-page {
        grid-template-columns: 1fr;
        width: 100%;
        margin: clamp(1.5rem, 4vw, 2.5rem) auto 0;
        min-height: 100px;
        align-items: stretch;
    }

    .auth-page--modern {
        grid-template-columns: 1fr;
        border-radius: 32px;
        min-height: 100px;
        padding: clamp(1.2rem, 4vw, 1.8rem);
    }

    .auth-visual-panel {
        position: relative;
        top: auto;
        min-height: 320px;
        padding: 2.5rem;
        border-radius: 32px;
    }

    .auth-panel {
        max-height: none;
        overflow: visible;
    }

    .auth-visual-panel__slide {
        position: relative;
        inset: auto;
        padding: 0;
        gap: 1.4rem;
    }
}

@media (max-width: 768px) {
    .auth-panel {
        padding: 2rem;
    }

    .auth-visual-panel {
        padding: 2.2rem;
    }

    .auth-page--modern {
        border-radius: 24px;
    }
}

@media (max-width: 640px) {
    .auth-visual-panel {
        display: none;
    }

    .auth-page {
        grid-template-columns: 1fr;
    }

    body.auth-body--locked {
        overflow: hidden;
    }

    body.auth-body--scroll {
        overflow-y: auto;
    }

    .auth-page {
        margin: 0;
    }

    .auth-page--modern {
        padding: 0;
        border-radius: 0;
    }

    .auth-panel {
        padding: 1rem;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    body.auth-body--scroll .auth-panel {
        min-height: auto;
        justify-content: flex-start;
    }

    .auth-visual-panel {
        padding: 1.6rem 1.4rem 1.8rem;
        border-radius: 0;
        min-height: 260px;
    }

    .auth-visual-panel__topbar {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 0.6rem;
    }

    .auth-visual-panel__back {
        padding: 0.45rem 0.85rem;
        font-size: 0.85rem;
    }

    .auth-visual-panel__logo {
        font-size: 1.3rem;
        margin-top: 0;
    }

    .logo-mark {
        width: 40px;
        height: 40px;
        transform: translateY(-2px);
    }

    .auth-visual-panel__headline h3 {
        font-size: 1.6rem;
    }

    .auth-panel__header h2 {
        font-size: 1.35rem;
    }

    .btn-primary.btn-rounded {
        padding: 0.65rem;
        font-size: 0.9rem;
    }

    .btn-google {
        padding: 0.75rem 0.8rem;
        font-size: 0.85rem;
    }

    .auth-panel__header .eyebrow {
        font-size: 0.6rem;
    }

    .auth-panel__header p {
        font-size: 0.85rem;
        margin-bottom: 0.75rem;
    }

    .auth-form-modern {
        gap: 0.65rem;
    }

    .form-lab span {
        font-size: 0.85rem;
    }

    .form-lab input {
        padding: 0.65rem 0.75rem;
        font-size: 0.9rem;
    }

    .form-help a {
        font-size: 0.85rem;
    }

    .auth-divider {
        margin: 0.8rem 0;
    }

    .auth-switch {
        font-size: 0.85rem;
    }
}