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

:root {
    --blue: #2563eb;
    --blue-dark: #0f172a;
    --blue-light: #0ea5e9;
    --bg: #f8fafc;
    --border: #dbe4ef;
    --text: #0f172a;
    --sub: #64748b;
    --input-bg: #ffffff;
    --card-shadow: 0 22px 56px rgba(15, 23, 42, .12);
}

html { min-height: 100%; }

body {
    min-height: 100vh;
    margin: 0;
    display: flex;
    background:
        linear-gradient(135deg, rgba(255,255,255,.94), rgba(239,246,255,.92)),
        radial-gradient(circle at top right, rgba(14,165,233,.18), transparent 36%);
    color: var(--text);
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    letter-spacing: 0;
}

.brand-panel {
    width: 390px;
    min-height: 100vh;
    position: fixed;
    inset: 0 auto 0 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    padding: 42px 36px;
    background:
        linear-gradient(135deg, rgba(15,23,42,.88), rgba(15,23,42,.72)),
        url("https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=1300&q=80") center/cover no-repeat;
    color: #fff;
    z-index: 1;
}

.brand-panel::after {
    content: "";
    position: absolute;
    right: 28px;
    bottom: 0;
    width: 160px;
    height: 5px;
    background: linear-gradient(90deg, #0ea5e9, #22c55e, #f59e0b);
    border-radius: 999px 999px 0 0;
}

.brand-logo {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    gap: 11px;
    color: #fff;
    font-size: 1.08rem;
    font-weight: 900;
    line-height: 1.1;
    text-decoration: none;
}

.brand-logo:hover { color: #fff; }

.brand-logo img,
.brand-logo-icon {
    width: 46px !important;
    height: 46px !important;
    max-width: 46px !important;
    max-height: 46px !important;
    border-radius: 50% !important;
    object-fit: cover !important;
    flex: 0 0 auto;
}

.brand-logo img {
    background: #fff;
    border: 1px solid rgba(255,255,255,.42);
    padding: 2px;
}

.brand-logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,.16);
    color: #fff;
    font-size: 1.35rem;
}

.brand-panel > div:not(.brand-footer) {
    position: relative;
    z-index: 1;
}

.brand-tagline {
    color: #fff;
    font-size: clamp(2rem, 3.2vw, 3rem);
    font-weight: 950;
    line-height: 1.04;
    letter-spacing: 0;
}

.brand-desc {
    max-width: 300px;
    margin-top: 15px;
    color: rgba(255,255,255,.78);
    font-size: .92rem;
    line-height: 1.75;
}

.brand-footer {
    position: relative;
    z-index: 1;
    color: rgba(255,255,255,.58);
    font-size: .76rem;
}

.form-panel {
    margin-left: 390px;
    min-height: 100vh;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 58px 72px;
    position: relative;
}

.form-topbar {
    position: absolute;
    top: 34px;
    right: 72px;
    color: var(--sub);
    font-size: .86rem;
}

.form-topbar a,
.forgot-link,
.bottom-note a {
    color: var(--blue);
    font-weight: 850;
    text-decoration: none;
}

.form-topbar a:hover,
.forgot-link:hover,
.bottom-note a:hover {
    color: var(--blue-dark);
}

.form-wrap {
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, .08);
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    padding: 30px;
}

.form-title,
.auth-card-title {
    color: var(--text);
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 950;
    line-height: 1.1;
    margin-bottom: 8px;
    text-align: center;
}

.form-subtitle,
.auth-card-sub {
    color: var(--sub);
    font-size: .92rem;
    line-height: 1.65;
    margin-bottom: 24px;
    text-align: center;
}

.field-group { margin-bottom: 16px; }

.field-label {
    display: block;
    margin-bottom: 7px;
    color: var(--sub);
    font-size: .74rem;
    font-weight: 900;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.req { color: #dc2626; }
.field-wrap { position: relative; }

.field-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 1rem;
    pointer-events: none;
    z-index: 1;
}

.form-input {
    width: 100%;
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text);
    font-family: inherit;
    font-size: .92rem;
    outline: 0;
    padding: 0 14px 0 40px;
    transition: border-color .15s ease, box-shadow .15s ease;
}

.form-input.no-icon { padding-left: 14px; }

.form-input:focus {
    border-color: #38bdf8;
    box-shadow: 0 0 0 .2rem rgba(14, 165, 233, .14);
}

.form-input::placeholder { color: #a8b3c3; }

.pass-toggle {
    position: absolute;
    right: 13px;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: transparent;
    color: #94a3b8;
    font-size: 1.1rem;
    padding: 0;
}

.forgot-link {
    display: block;
    margin-top: 7px;
    font-size: .82rem;
    text-align: right;
}

.btn-submit,
.btn-google {
    width: 100%;
    min-height: 46px;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    font-family: inherit;
    font-size: .92rem;
    font-weight: 900;
}

.btn-submit {
    border: 0;
    background: linear-gradient(135deg, var(--blue-light), var(--blue));
    color: #fff;
    box-shadow: 0 14px 28px rgba(37, 99, 235, .2);
}

.btn-submit:hover,
.btn-submit:focus,
.btn-submit:active {
    color: #fff;
    filter: brightness(.98);
}

.btn-google {
    margin-bottom: 0;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    text-decoration: none;
}

.btn-google:hover {
    border-color: #93c5fd;
    color: var(--text);
    box-shadow: 0 10px 22px rgba(37, 99, 235, .08);
}

.btn-google.disabled {
    opacity: .55;
    pointer-events: none;
}

.or-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
}

.or-divider div {
    flex: 1;
    height: 1px;
    background: var(--border);
}

.or-divider span {
    color: var(--sub);
    font-size: .78rem;
    white-space: nowrap;
}

.alert-box {
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    padding: 12px 14px;
    font-size: .88rem;
}

.alert-box i { font-size: 1.15rem; flex: 0 0 auto; }
.alert-err { background:#fef2f2; border:1px solid #fecaca; color:#b91c1c; }
.alert-ok { background:#ecfdf5; border:1px solid #bbf7d0; color:#047857; }
.alert-info { background:#eff6ff; border:1px solid #bfdbfe; color:#1d4ed8; }

.auth-success-popup {
    border: 1px solid rgba(15, 23, 42, .08) !important;
    border-radius: 8px !important;
    padding: 0 !important;
    overflow: hidden !important;
    box-shadow: 0 28px 70px rgba(15, 23, 42, .22) !important;
}

.auth-success-popup::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 6px;
    background: linear-gradient(90deg, #0ea5e9, #22c55e, #2563eb);
}

.auth-success-html {
    margin: 0 !important;
    padding: 0 !important;
}

.login-success-shell {
    position: relative;
    padding: 34px 30px 30px;
    text-align: center;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(14, 165, 233, .13), transparent 34%),
        radial-gradient(circle at bottom right, rgba(34, 197, 94, .12), transparent 35%),
        #fff;
}

.login-success-mark {
    width: 76px;
    height: 76px;
    margin: 0 auto 14px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e0f2fe, #dcfce7);
    border: 1px solid rgba(14, 165, 233, .22);
    box-shadow: 0 16px 34px rgba(37, 99, 235, .16);
    overflow: hidden;
    color: #0f766e;
    font-size: 2rem;
}

.login-success-mark img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
}

.login-success-badge {
    width: fit-content;
    margin: 0 auto 12px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 7px 11px;
    background: #ecfdf5;
    border: 1px solid #bbf7d0;
    color: #047857;
    font-size: .78rem;
    font-weight: 850;
}

.login-success-shell h2 {
    margin: 0;
    color: #0f172a;
    font-size: 1.55rem;
    font-weight: 950;
    line-height: 1.18;
}

.login-success-shell p {
    max-width: 330px;
    margin: 10px auto 18px;
    color: var(--sub);
    font-size: .93rem;
    line-height: 1.6;
}

.login-success-shell strong {
    color: #0f172a;
    font-weight: 900;
}

.login-success-route {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 48px;
    border-radius: 8px;
    padding: 12px 14px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    color: #334155;
    font-size: .86rem;
    font-weight: 850;
}

.login-success-route span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.auth-success-progress {
    background: linear-gradient(90deg, #0ea5e9, #22c55e) !important;
    height: 4px !important;
}

.auth-success-enter {
    animation: authSuccessIn .22s ease-out both !important;
}

.auth-success-exit {
    animation: authSuccessOut .14s ease-in both !important;
}

@keyframes authSuccessIn {
    from { transform: translateY(10px) scale(.98); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

@keyframes authSuccessOut {
    from { transform: translateY(0) scale(1); opacity: 1; }
    to { transform: translateY(8px) scale(.98); opacity: 0; }
}

.bottom-note {
    margin: 22px 0 0;
    color: var(--sub);
    font-size: .84rem;
    text-align: center;
}

.auth-center {
    flex: 1;
    min-height: 100vh;
    margin-left: 390px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px 28px;
}

.auth-card {
    width: 100%;
    max-width: 460px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, .08);
    border-radius: 8px;
    box-shadow: var(--card-shadow);
    padding: 32px;
}

.auth-icon-wrap {
    width: 64px;
    height: 64px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e0f2fe, #dcfce7);
    color: var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
}

.otp-input {
    text-align: center;
    font-size: 1.45rem;
    font-weight: 900;
    letter-spacing: .38em;
    padding-left: 14px;
}

@media (max-width: 991px) {
    .brand-panel {
        width: 320px;
        padding: 34px 28px;
    }

    .form-panel,
    .auth-center {
        margin-left: 320px;
        padding-left: 36px;
        padding-right: 36px;
    }

    .form-topbar {
        right: 36px;
    }
}

@media (max-width: 767px) {
    body {
        display: block;
        min-height: 100vh;
    }

    .brand-panel {
        position: relative;
        display: block;
        width: 100%;
        min-height: auto;
        padding: 22px 20px;
    }

    .brand-panel > div:not(.brand-footer),
    .brand-footer {
        display: none;
    }

    .form-panel,
    .auth-center {
        margin-left: 0;
        min-height: auto;
        padding: 18px 14px 28px;
    }

    .form-topbar {
        position: static;
        margin: 0 auto 14px;
        text-align: center;
    }

    .form-wrap,
    .auth-card {
        padding: 22px 16px;
        box-shadow: 0 12px 28px rgba(15,23,42,.08);
    }

    .form-title,
    .auth-card-title {
        font-size: 1.45rem;
    }

    .btn-submit,
    .btn-google {
        min-height: 48px;
    }

    .login-success-shell {
        padding: 30px 18px 22px;
    }

    .login-success-mark {
        width: 66px;
        height: 66px;
    }

    .login-success-shell h2 {
        font-size: 1.32rem;
    }

    .login-success-shell p {
        font-size: .88rem;
    }

    .login-success-route {
        min-height: 46px;
        padding: 11px 12px;
    }
}