:root {
    --text: var(--ds-color-text);
    --muted: var(--ds-color-text-muted);
    --accent: var(--ds-color-success);
    --accent-strong: var(--ds-color-success-hover);
    --danger: var(--ds-color-danger);
    --bg-base: #0f2236;
    --bg-overlay: rgba(6, 16, 28, 0.24);
    --card-bg: color-mix(in srgb, var(--ds-color-surface) 97%, transparent);
    --card-border: color-mix(in srgb, var(--ds-color-border) 72%, transparent);
    --card-highlight: color-mix(in srgb, var(--ds-color-text) 12%, transparent);
    --input-bg: color-mix(in srgb, var(--ds-color-field) 82%, transparent);
    --input-bg-focus: color-mix(in srgb, var(--ds-color-field) 96%, transparent);
    --input-border: var(--ds-color-border-strong);
    --input-focus: color-mix(in srgb, var(--ds-color-success) 58%, transparent);
    --focus-ring: color-mix(in srgb, var(--ds-color-success) 22%, transparent);
    --security-note: color-mix(in srgb, var(--ds-color-text) 70%, transparent);
    --shadow-card: var(--ds-shadow-lift);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    min-height: 100dvh;
    font-family: var(--ds-font-ui);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    padding:
        calc(18px + env(safe-area-inset-top))
        calc(16px + env(safe-area-inset-right))
        calc(18px + env(safe-area-inset-bottom))
        calc(16px + env(safe-area-inset-left));
    overflow-x: hidden;
    background-color: var(--bg-base);
    background-image:
        linear-gradient(140deg, rgba(6, 18, 31, 0.44), var(--bg-overlay)),
        url('/images/background.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: scroll;
}

.page-shell {
    width: 100%;
    display: flex;
    justify-content: center;
}

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 30px 30px 24px;
    width: 100%;
    max-width: 430px;
    box-shadow: var(--shadow-card);
    position: relative;
    z-index: 1;
}

.login-card::before {
    content: none;
}

.logo {
    text-align: center;
    margin-bottom: 18px;
}

.logo-image {
    width: min(300px, 100%);
    height: 120px;
    object-fit: cover;
    object-position: center;
    display: block;
    margin: 0 auto 10px;
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(7, 15, 26, 0.16);
    user-select: none;
    pointer-events: none;
}

.logo-text {
    margin-top: 2px;
    font-size: 30px;
    line-height: 1.05;
    letter-spacing: -0.03em;
    font-weight: 800;
    color: var(--text);
}

.logo-subtitle {
    margin-top: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 7px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.form-group input {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--ds-control-radius);
    padding: 13px 14px;
    font-size: 16px;
    color: var(--text);
    transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
    outline: none;
}

.form-group input:focus {
    border-color: var(--input-focus);
    box-shadow: 0 0 0 4px var(--focus-ring);
    background: var(--input-bg-focus);
}

.form-group input::placeholder {
    color: var(--muted);
    opacity: 0.72;
}

.password-field {
    position: relative;
}

.password-field input {
    padding-right: 52px;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 7px;
    width: 40px;
    height: 40px;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: var(--ds-control-radius);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.password-toggle:hover {
    background: rgba(41, 183, 101, 0.1);
    color: var(--accent-strong);
}

.password-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.password-toggle-icon {
    width: 22px;
    height: 22px;
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.password-toggle-icon--hide {
    display: none;
}

.password-field.is-password-visible .password-toggle-icon--show {
    display: none;
}

.password-field.is-password-visible .password-toggle-icon--hide {
    display: block;
}

.btn-login {
    width: 100%;
    margin-top: 4px;
    background: var(--accent-strong);
    border: none;
    border-radius: var(--ds-control-radius);
    padding: 13px 14px;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.01em;
    color: #fff;
    cursor: pointer;
    box-shadow: none;
    transition: filter 0.2s ease;
}

@media (hover: hover) {
    .btn-login:hover {
        filter: brightness(0.94);
    }
}

.btn-login:focus-visible {
    box-shadow: 0 0 0 4px var(--focus-ring);
    outline: none;
}

.error-message {
    background: rgba(203, 47, 78, 0.12);
    border: 1px solid rgba(203, 47, 78, 0.28);
    border-radius: 12px;
    padding: 11px 12px;
    margin-bottom: 14px;
    color: var(--danger);
    font-size: 13px;
    text-align: left;
    font-weight: 600;
}

.footer-hint {
    text-align: center;
    margin-top: 16px;
    color: var(--muted);
    font-size: 12px;
}

.security-note {
    margin-top: 10px;
    text-align: center;
    font-size: 11px;
    color: var(--security-note);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

@media (max-width: 520px) {
    body {
        align-items: flex-start;
    }

    .page-shell {
        padding-top: clamp(12px, 7vh, 48px);
        padding-bottom: 8px;
    }

    .login-card {
        max-width: 100%;
        padding: 22px 18px 18px;
        border-radius: 18px;
    }

    .logo-text {
        font-size: 25px;
    }

    .logo-image {
        width: min(260px, 100%);
        height: 102px;
    }
}

@media (max-height: 680px) {
    body {
        align-items: flex-start;
    }

    .page-shell {
        padding-top: 10px;
        padding-bottom: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}