@import url('https://fonts.googleapis.com/css2?family=Public+Sans:wght@400;500;600;700&display=swap');

:root {
    --font-main: 'Public Sans', 'Segoe UI', Tahoma, sans-serif;
    --denr-green: #0f6a35;
    --denr-green-strong: #0a4f28;
    --denr-blue: #0f4eb3;
    --ink-900: #12232e;
    --ink-700: #344756;
    --ink-600: #4e5f6c;
    --ink-500: #617480;
    --surface: #ffffff;
    --field: #f5f8fa;
    --field-border: #c7d3dc;
    --focus-ring: #1f7a47;
    --danger: #b42318;
    --shadow: 0 22px 54px rgba(16, 33, 44, 0.16);
    --bg-grad-1: #e3ece7;
    --bg-grad-2: #edf2f5;
    --bg-grad-3: #e7eef3;
}

[data-theme="dark"] {
    --ink-900: #f9fafb;
    --ink-700: #d1d5db;
    --ink-600: #9ca3af;
    --ink-500: #6b7280;
    --surface: #111827;
    --field: #1f2937;
    --field-border: #374151;
    --shadow: 0 22px 54px rgba(0, 0, 0, 0.4);
    --bg-grad-1: #0b1421;
    --bg-grad-2: #0e1726;
    --bg-grad-3: #080f1a;
}

.theme-toggle-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--field-border);
    background: var(--surface);
    color: var(--ink-700);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    z-index: 1000;
}

.theme-toggle-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.theme-icon { display: none; }
[data-theme="dark"] .dark-icon { display: block; }
:root:not([data-theme="dark"]) .light-icon { display: block; }

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

body {
    font-family: var(--font-main);
    font-weight: 400;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
    color: var(--ink-900);
    background:
        radial-gradient(circle at 8% 15%, rgba(15, 106, 53, 0.16), transparent 40%),
        radial-gradient(circle at 90% 88%, rgba(15, 78, 179, 0.12), transparent 36%),
        linear-gradient(160deg, var(--bg-grad-1) 0%, var(--bg-grad-2) 54%, var(--bg-grad-3) 100%);
}

.container {
    position: relative;
    width: 100%;
    max-width: 460px;
    padding: 30px 34px;
    background: var(--surface);
    border-radius: 22px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(15, 78, 179, 0.08);
}

.card-accent {
    height: 7px;
    border-radius: 999px;
    margin-bottom: 24px;
    background: linear-gradient(90deg, var(--denr-green) 0%, var(--denr-blue) 100%);
}

.logo-container {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.logo img {
    width: 84px;
    height: auto;
}

.heading {
    text-align: center;
    margin-bottom: 24px;
}

.gov-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-600);
    margin-bottom: 10px;
}

.heading h1 {
    font-size: 28px;
    line-height: 1.2;
    font-weight: 700;
    color: var(--ink-900);
    margin-bottom: 10px;
}

.portal-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--ink-600);
    line-height: 1.45;
    max-width: 350px;
    margin: 0 auto;
}

.apk-download-inline {
    position: absolute;
    top: 62px;
    right: 34px;
    z-index: 2;
}

.apk-download-fab {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--denr-green-strong) 0%, var(--denr-blue) 100%);
    color: #ffffff;
    text-decoration: none;
    box-shadow: 0 14px 28px rgba(15, 78, 179, 0.24);
    transform-origin: center;
    animation: apk-pop-in 0.55s cubic-bezier(0.18, 0.89, 0.32, 1.28) both;
    transition: transform 0.18s ease, box-shadow 0.2s ease;
}

.apk-download-fab:hover {
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 18px 32px rgba(15, 78, 179, 0.28);
}

.apk-download-fab:focus-visible {
    outline: 3px solid rgba(31, 122, 71, 0.28);
    outline-offset: 4px;
}

.apk-download-fab::after {
    content: attr(data-label);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 12px);
    transform: translateX(-50%) translateY(10px) scale(0.96);
    transform-origin: bottom center;
    padding: 7px 10px;
    border-radius: 999px;
    background: rgba(18, 35, 46, 0.94);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.03em;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 10px 22px rgba(16, 33, 44, 0.2);
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.apk-download-fab:hover::after,
.apk-download-fab:focus-visible::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(1);
}

.apk-download-badge {
    position: absolute;
    top: -8px;
    right: -12px;
    min-width: 36px;
    padding: 4px 7px;
    border-radius: 999px;
    background: #ffffff;
    color: var(--denr-green-strong);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-align: center;
    box-shadow: 0 10px 18px rgba(16, 33, 44, 0.16);
    animation: apk-badge-pop 0.45s ease-out 0.25s both;
}

.apk-download-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    animation: apk-float 2.8s ease-in-out 0.7s infinite;
}

.apk-download-hint {
    margin-top: 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-600);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@keyframes apk-pop-in {
    0% {
        opacity: 0;
        transform: scale(0.6);
    }
    70% {
        opacity: 1;
        transform: scale(1.08);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes apk-badge-pop {
    0% {
        opacity: 0;
        transform: scale(0.5);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes apk-float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--ink-700);
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 13px;
    color: var(--ink-500);
    display: flex;
    align-items: center;
}

input[type="email"],
input[type="password"],
input[type="text"] {
    width: 100%;
    min-height: 48px;
    border: 1px solid var(--field-border);
    border-radius: 10px;
    background: var(--field);
    color: var(--ink-900);
    padding: 12px 44px 12px 42px;
    font-size: 14px;
    transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

input[type="email"]::placeholder,
input[type="password"]::placeholder,
input[type="text"]::placeholder {
    color: #7f929f;
}

input[type="email"]:focus,
input[type="password"]:focus,
input[type="text"]:focus,
select:focus {
    outline: none;
    border-color: var(--focus-ring);
    background: var(--surface);
    box-shadow: 0 0 0 3px rgba(31, 122, 71, 0.14);
}

.password-toggle {
    position: absolute;
    right: 9px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 7px;
    background: transparent;
    color: var(--ink-500);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.password-toggle:hover {
    background: rgba(15, 78, 179, 0.08);
    color: var(--denr-blue);
}

.password-toggle:focus-visible {
    outline: 2px solid var(--focus-ring);
    outline-offset: 1px;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
}

.remember-wrap {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--ink-700);
    cursor: pointer;
}

.remember-wrap input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--denr-green);
}

.form-options a {
    color: var(--denr-blue);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
}

.form-options a:hover {
    text-decoration: underline;
}

.btn-primary {
    width: 100%;
    min-height: 48px;
    border: none;
    border-radius: 10px;
    color: #ffffff;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.02em;
    background: linear-gradient(90deg, var(--denr-green-strong) 0%, var(--denr-blue) 100%);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(15, 78, 179, 0.25);
}

.btn-primary:focus-visible {
    outline: 3px solid rgba(31, 122, 71, 0.4);
    outline-offset: 2px;
}

.btn-primary[disabled] {
    opacity: 0.78;
    cursor: wait;
    transform: none;
}

.security-note {
    margin-top: 18px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.55;
    color: var(--ink-600);
    background: var(--field);
    border: 1px solid var(--field-border);
    border-radius: 10px;
    padding: 12px 13px;
}

.support-links {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    justify-content: center;
    width: 100%;
}

.quick-links-row {
    margin-top: 12px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
}

.quick-links-row a {
    display: block;
    text-align: center;
    font-size: 13px;
    font-weight: 600;
    color: var(--denr-blue);
    text-decoration: none;
    border: 1px solid var(--field-border);
    background: var(--field);
    border-radius: 10px;
    padding: 9px 10px;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.quick-links-row a:hover {
    border-color: var(--denr-blue);
    background: var(--surface);
}

.support-links a {
    min-width: 0;
    text-align: center;
    font-size: 12px;
    font-weight: 500;
    color: var(--ink-700);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    overflow-wrap: anywhere;
}

.support-links a:hover {
    border-bottom-color: var(--ink-700);
}

.auth-copyright {
    margin-top: 18px;
    text-align: center;
    font-size: 12px;
    line-height: 1.5;
    color: var(--ink-500);
}

.field-error {
    color: var(--danger);
    font-size: 12px;
    margin-top: 6px;
}

.is-invalid {
    border-color: var(--danger) !important;
    box-shadow: 0 0 0 3px rgba(180, 35, 24, 0.12) !important;
}

@media (max-width: 560px) {
    body {
        padding: 14px;
    }

    .container {
        padding: 24px 18px;
        border-radius: 18px;
    }

    .heading h1 {
        font-size: 24px;
    }

    .portal-label {
        font-size: 13px;
    }

    .apk-download-inline {
        top: 58px;
        right: 18px;
    }

    .apk-download-fab {
        width: 52px;
        height: 52px;
        border-radius: 16px;
    }

    .apk-download-badge {
        right: -10px;
        min-width: 32px;
        font-size: 10px;
    }

    .form-options {
        align-items: flex-start;
        flex-direction: column;
    }

    .support-links {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px 12px;
    }

    .quick-links-row {
        gap: 8px;
    }

    .support-links a {
        width: 100%;
    }
}

.form-error {
    margin-bottom: 12px;
    text-align: center;
}

.form-success {
    color: #0f6a35;
    font-size: 12px;
    line-height: 1.45;
    margin-bottom: 12px;
    text-align: center;
    background: #f1faf5;
    border: 1px solid #b7d9c4;
    border-radius: 10px;
    padding: 9px 10px;
}

.auth-switch {
    margin-top: 14px;
    text-align: center;
    font-size: 13px;
    font-weight: 500;
    color: var(--ink-700);
}

.auth-switch a {
    color: var(--denr-blue);
    font-weight: 600;
    text-decoration: none;
}

.auth-switch a:hover {
    text-decoration: underline;
}