:root {
    --color-primary: #1557a0;
    --color-primary-dark: #0b3a75;
    --color-primary-soft: #eaf3fc;
    --color-accent: #d71920;
    --color-accent-dark: #ad1117;
    --color-accent-soft: #fff0f1;
    --color-ink: #263244;
    --color-muted: #6b7280;
    --color-border: #d7dee8;
    --color-white: #ffffff;
    --color-panel: #f3f6f9;
    --shadow-card: 0 32px 75px rgba(30, 64, 105, 0.16);
    --radius-xl: 28px;
    --radius-md: 14px;
    --transition: 180ms ease;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
}

body {
    margin: 0;
    min-width: 320px;
    min-height: 100vh;
    min-height: 100dvh;
    color: var(--color-ink);
    background: var(--color-panel);
    font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

button,
input {
    font: inherit;
}

a {
    color: inherit;
}

svg {
    display: block;
    width: 1em;
    height: 1em;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    color: var(--color-white);
    background: var(--color-ink);
    border-radius: 8px;
    transform: translateY(-150%);
    transition: transform var(--transition);
}

.skip-link:focus {
    transform: translateY(0);
}

.auth-shell {
    display: grid;
    grid-template-columns: minmax(430px, 1.08fr) minmax(500px, 0.92fr);
    min-height: 100vh;
    min-height: 100dvh;
}

.auth-visual {
    position: relative;
    isolation: isolate;
    min-height: 100%;
    overflow: hidden;
    color: var(--color-white);
    background:
        radial-gradient(circle at 12% 18%, rgba(215, 25, 32, 0.28), transparent 30%),
        radial-gradient(circle at 88% 78%, rgba(255, 255, 255, 0.13), transparent 34%),
        linear-gradient(145deg, #0b3a75 0%, #1557a0 58%, #60758e 100%);
}

.auth-visual::before,
.auth-visual::after {
    content: "";
    position: absolute;
    z-index: -1;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 50%;
}

.auth-visual::before {
    width: 510px;
    height: 510px;
    right: -250px;
    top: -150px;
}

.auth-visual::after {
    width: 360px;
    height: 360px;
    left: -180px;
    bottom: -190px;
}

.visual-overlay {
    position: absolute;
    z-index: -2;
    inset: 0;
    background:
        linear-gradient(115deg, rgba(11, 58, 117, 0.06), rgba(38, 50, 68, 0.2)),
        repeating-linear-gradient(
            135deg,
            transparent 0,
            transparent 18px,
            rgba(255, 255, 255, 0.012) 19px,
            transparent 20px
        );
}

.visual-grid {
    position: absolute;
    z-index: -1;
    inset: 0;
    opacity: 0.42;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.026) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.026) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: linear-gradient(to bottom, transparent, #fff 25%, #fff 75%, transparent);
}

.visual-content {
    display: flex;
    flex-direction: column;
    width: min(100%, 790px);
    min-height: 100%;
    margin: 0 auto;
    padding: clamp(34px, 5vw, 72px);
}

.company-brand {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 14px;
    text-decoration: none;
}

.company-logo {
    display: grid;
    place-items: center;
    width: 68px;
    height: 68px;
    padding: 7px;
    overflow: hidden;
    background: var(--color-white);
    border-radius: 18px;
    box-shadow: 0 12px 32px rgba(11, 58, 117, 0.28);
}

.company-logo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.company-name {
    display: grid;
    gap: 4px;
}

.company-name strong {
    font-size: 0.94rem;
    letter-spacing: 0.055em;
}

.company-name small {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.76rem;
}

.visual-heading {
    max-width: 650px;
    margin-top: auto;
    padding-top: 80px;
}

.product-label,
.auth-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #dcecff;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.product-label::before {
    content: "";
    width: 28px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 999px;
}

.visual-heading h1 {
    margin: 12px 0 18px;
    font-size: clamp(4rem, 8vw, 7rem);
    font-weight: 780;
    letter-spacing: -0.075em;
    line-height: 0.94;
}

.visual-heading h1 span {
    color: #ff4b52;
}

.visual-heading p {
    max-width: 600px;
    margin: 0;
    color: rgba(255, 255, 255, 0.74);
    font-size: clamp(1rem, 1.45vw, 1.15rem);
    line-height: 1.75;
}

.visual-features {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 46px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    min-width: 0;
    padding: 16px;
    background: rgba(255, 255, 255, 0.055);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    backdrop-filter: blur(12px);
}

.feature-icon {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 36px;
    height: 36px;
    color: var(--color-white);
    background: var(--color-accent);
    border-radius: 11px;
}

.feature-icon svg {
    width: 18px;
    height: 18px;
}

.feature-item > span:last-child {
    display: grid;
    min-width: 0;
    gap: 5px;
}

.feature-item strong {
    font-size: 0.78rem;
}

.feature-item small {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.67rem;
    line-height: 1.45;
}

.visual-footer {
    margin: 34px 0 0;
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.71rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.auth-panel {
    display: grid;
    place-items: center;
    align-content: center;
    gap: 22px;
    padding: clamp(30px, 6vw, 78px);
    background:
        radial-gradient(circle at 100% 0, #ffffff 0, transparent 42%),
        radial-gradient(circle at 0 100%, rgba(21, 87, 160, 0.08), transparent 38%),
        var(--color-panel);
}

.auth-card {
    width: min(100%, 500px);
    padding: clamp(30px, 4.2vw, 52px);
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(221, 226, 234, 0.86);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-card);
}

.mobile-brand {
    display: none;
}

.auth-header {
    margin-bottom: 32px;
}

.auth-kicker {
    color: var(--color-primary);
}

.auth-header h2 {
    margin: 10px 0 8px;
    color: var(--color-ink);
    font-size: clamp(2rem, 4vw, 2.55rem);
    letter-spacing: -0.045em;
    line-height: 1.05;
}

.auth-header p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.95rem;
    line-height: 1.65;
}

.alert {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    margin-bottom: 22px;
    padding: 13px 14px;
    font-size: 0.82rem;
    line-height: 1.5;
    border: 1px solid;
    border-radius: 12px;
}

.alert ul {
    margin: 0;
    padding-left: 18px;
}

.alert-icon {
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 21px;
    height: 21px;
    color: var(--color-white);
    font-size: 0.72rem;
    font-weight: 900;
    border-radius: 50%;
}

.alert-error {
    color: var(--color-accent-dark);
    background: var(--color-accent-soft);
    border-color: #fecdd0;
}

.alert-error .alert-icon {
    background: var(--color-accent);
}

.alert-info {
    color: #174675;
    background: #eff7ff;
    border-color: #c6e2ff;
}

.alert-info .alert-icon {
    background: #2563a6;
}

.login-form {
    display: grid;
    gap: 22px;
}

.form-group {
    display: grid;
    gap: 9px;
}

.form-group label,
.label-row label {
    color: #273244;
    font-size: 0.78rem;
    font-weight: 750;
}

.label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.forgot-link {
    color: var(--color-primary);
    font-size: 0.73rem;
    font-weight: 700;
    text-decoration: none;
}

.forgot-link[aria-disabled="true"] {
    cursor: default;
}

.input-wrap {
    position: relative;
}

.input-icon {
    position: absolute;
    top: 50%;
    left: 16px;
    color: #7e8898;
    pointer-events: none;
    transform: translateY(-50%);
}

.input-icon svg {
    width: 19px;
    height: 19px;
}

.input-wrap input {
    width: 100%;
    height: 54px;
    padding: 0 50px 0 48px;
    color: var(--color-ink);
    background: #fafbfc;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition:
        border-color var(--transition),
        background var(--transition),
        box-shadow var(--transition);
}

.input-wrap input::placeholder {
    color: #a0a8b4;
}

.input-wrap input:hover {
    border-color: #bdc4ce;
}

.input-wrap input:focus {
    background: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(21, 87, 160, 0.12);
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 12px;
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    padding: 0;
    color: #7e8898;
    background: transparent;
    border: 0;
    border-radius: 9px;
    cursor: pointer;
    transform: translateY(-50%);
    transition: color var(--transition), background var(--transition);
}

.password-toggle:hover,
.password-toggle:focus-visible {
    color: var(--color-primary);
    background: var(--color-primary-soft);
    outline: none;
}

.password-toggle svg {
    width: 19px;
    height: 19px;
}

.remember-control {
    display: inline-flex;
    align-items: center;
    justify-self: start;
    gap: 10px;
    color: var(--color-muted);
    font-size: 0.76rem;
    line-height: 1.4;
    cursor: pointer;
}

.remember-control input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.custom-checkbox {
    position: relative;
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    width: 18px;
    height: 18px;
    background: var(--color-white);
    border: 1px solid #c8ced7;
    border-radius: 5px;
    transition: background var(--transition), border-color var(--transition);
}

.remember-control input:checked + .custom-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.remember-control input:checked + .custom-checkbox::after {
    content: "";
    width: 7px;
    height: 4px;
    margin-top: -2px;
    border-bottom: 2px solid var(--color-white);
    border-left: 2px solid var(--color-white);
    transform: rotate(-45deg);
}

.remember-control input:focus-visible + .custom-checkbox {
    box-shadow: 0 0 0 4px rgba(21, 87, 160, 0.12);
}

.login-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    min-height: 55px;
    margin-top: 2px;
    padding: 13px 20px;
    color: var(--color-white);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border: 0;
    border-radius: var(--radius-md);
    box-shadow: 0 13px 28px rgba(21, 87, 160, 0.26);
    cursor: pointer;
    font-weight: 800;
    transition: transform var(--transition), box-shadow var(--transition);
}

.login-button:hover {
    box-shadow: 0 16px 34px rgba(21, 87, 160, 0.34);
    transform: translateY(-2px);
}

.login-button:active {
    transform: translateY(0);
}

.login-button:focus-visible {
    outline: 3px solid rgba(21, 87, 160, 0.24);
    outline-offset: 3px;
}

.login-button svg {
    width: 19px;
    height: 19px;
    transition: transform var(--transition);
}

.login-button:hover svg {
    transform: translateX(3px);
}

.auth-card-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 28px;
    padding-top: 22px;
    color: #8a93a0;
    font-size: 0.67rem;
    text-align: center;
    border-top: 1px solid #edf0f3;
}

.security-mark {
    flex: 0 0 auto;
    color: #778292;
}

.security-mark svg {
    width: 17px;
    height: 17px;
}

.copyright {
    margin: 0;
    color: #9099a7;
    font-size: 0.7rem;
    text-align: center;
}

@media (max-width: 1120px) {
    .auth-shell {
        grid-template-columns: minmax(400px, 0.88fr) minmax(480px, 1.12fr);
    }

    .visual-features {
        grid-template-columns: 1fr;
    }

    .feature-item:nth-child(3) {
        display: none;
    }
}

@media (max-width: 880px) {
    .auth-shell {
        display: block;
        background:
            radial-gradient(circle at 20% 0, rgba(215, 25, 32, 0.2), transparent 35%),
            linear-gradient(150deg, #0b3a75, #60758e);
    }

    .auth-visual {
        display: none;
    }

    .auth-panel {
        min-height: 100vh;
        min-height: 100dvh;
        padding: 28px 18px;
        background: transparent;
    }

    .auth-card {
        padding: 34px 28px;
        border-color: rgba(255, 255, 255, 0.13);
        border-radius: 24px;
        box-shadow: 0 28px 70px rgba(11, 58, 117, 0.32);
    }

    .mobile-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 32px;
        color: var(--color-ink);
        font-size: 1.18rem;
        font-weight: 750;
    }

    .mobile-brand img {
        width: 54px;
        height: 54px;
        padding: 5px;
        object-fit: contain;
        background: var(--color-white);
        border: 1px solid #e5e7eb;
        border-radius: 14px;
    }

    .mobile-brand strong {
        color: var(--color-accent);
    }

    .copyright {
        color: rgba(255, 255, 255, 0.54);
    }
}

@media (max-width: 480px) {
    .auth-panel {
        align-content: start;
        padding: 16px 12px 24px;
    }

    .auth-card {
        margin-top: 0;
        padding: 28px 20px;
        border-radius: 20px;
    }

    .auth-header {
        margin-bottom: 26px;
    }

    .auth-header h2 {
        font-size: 2rem;
    }

    .label-row {
        align-items: flex-start;
    }

    .remember-control {
        align-items: flex-start;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}