:root {
    --login-bg-top: #f3f8fd;
    --login-bg-bottom: #e5eef7;
    --login-surface: #ffffff;
    --login-surface-border: #d4e0ea;
    --login-text-main: #233445;
    --login-text-soft: #5f7488;
    --login-input-bg: #f7fafd;
    --login-input-border: #cad8e4;
    --login-accent: #2f84b2;
    --login-accent-strong: #236d97;
    --login-danger: #d85a56;
    --login-shadow: 0 18px 36px rgba(24, 46, 70, 0.14);
}

* {
    box-sizing: border-box;
}

.login-page {
    margin: 0;
    min-height: 100vh;
    color: var(--login-text-main);
    font-family: "Segoe UI", "Helvetica Neue", sans-serif;
    background:
        radial-gradient(circle at 16% 18%, rgba(89, 142, 195, 0.2), transparent 34%),
        radial-gradient(circle at 86% 10%, rgba(166, 196, 228, 0.32), transparent 34%),
        linear-gradient(155deg, var(--login-bg-top) 0%, var(--login-bg-bottom) 100%);
}

.login-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1rem 4.2rem;
    position: relative;
}

.login-header {
    text-align: center;
    margin-bottom: 1.4rem;
}

.login-title {
    margin: 0;
    font-size: clamp(1.9rem, 2vw + 1.2rem, 2.65rem);
    letter-spacing: 0.03em;
    font-weight: 700;
}

.login-title-separator {
    margin: 0.6rem auto 0;
    opacity: 0.5;
    max-width: 300px;
}

.login-main {
    width: 100%;
    display: flex;
    justify-content: center;
}

.login-form {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: var(--login-surface);
    border: 1px solid var(--login-surface-border);
    box-shadow: var(--login-shadow);
    border-radius: 14px;
    padding: 1.8rem;
}

.login-logo-wrap {
    display: flex;
    justify-content: center;
    text-align: center;
}

.login-logo-frame {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 0.8rem;
    border-radius: 12px;
    background: linear-gradient(180deg, #f4f7fb 0%, #e8eef5 100%);
    border: 1px solid rgba(96, 124, 156, 0.3);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        0 7px 16px rgba(35, 61, 89, 0.16);
}

.login-logo {
    height: 68px;
    max-width: 100%;
    object-fit: contain;
    border-radius: 8px;
}

.login-subtitle {
    margin: 0.25rem 0 0;
    text-align: center;
    color: var(--login-text-soft);
    font-size: 0.9rem;
}

.login-divider,
.login-actions-separator {
    border-color: rgba(170, 196, 222, 0.5);
}

.login-divider {
    margin: 1rem 0 1.1rem;
}

.login-error {
    display: none;
    width: 100%;
    background-color: var(--login-danger);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    margin-bottom: 1rem;
    font-size: 0.92rem;
    font-weight: 600;
}

.login-error.visible {
    display: block;
}

.login-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;
}

.login-field-group {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    width: 100%;
    border: 1px solid var(--login-input-border);
    border-radius: 10px;
    background: var(--login-input-bg);
    padding: 0.12rem 0.72rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-field-group:focus-within {
    border-color: rgba(61, 134, 177, 0.65);
    box-shadow: 0 0 0 3px rgba(47, 132, 178, 0.2);
}

.login-field-group + .login-field-group {
    margin-top: 0.75rem;
}

.login-field-icon {
    color: var(--login-text-soft);
    width: 1rem;
    height: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.login-field-icon-svg {
    width: 100%;
    height: 100%;
    display: block;
    fill: currentColor;
}

.login-input {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--login-text-main);
    padding: 0.72rem 0.18rem;
    font-size: 0.96rem;
}

.login-input:focus {
    outline: none;
}

.login-input::placeholder {
    color: rgba(95, 116, 136, 0.75);
}

.login-actions-separator {
    margin: 1rem 0;
}

.login-submit {
    width: 100%;
    border: 0;
    border-radius: 10px;
    color: #ffffff;
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    padding: 0.74rem 1rem;
    background: linear-gradient(150deg, var(--login-accent) 0%, var(--login-accent-strong) 100%);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.login-submit:hover,
.login-submit:focus {
    transform: translateY(-1px);
    box-shadow: 0 10px 18px rgba(31, 93, 131, 0.3);
}

.login-submit:focus-visible {
    outline: 3px solid rgba(193, 224, 243, 0.95);
    outline-offset: 2px;
}

.login-created-by {
    margin: 0.95rem 0 0;
    text-align: center;
    color: var(--login-text-soft);
    font-size: 0.88rem;
}

.login-created-by-name {
    color: #2f84b2;
    font-weight: 700;
}

.login-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.38rem 1rem;
    font-size: 0.75rem;
    color: #607488;
    background: rgba(248, 252, 255, 0.92);
    border-top: 1px solid rgba(185, 205, 223, 0.8);
}

.login-footer-link {
    color: #2f84b2;
    font-weight: 700;
    text-decoration: none;
}

.login-footer-link:hover,
.login-footer-link:focus {
    text-decoration: underline;
}

@media (max-width: 576px) {
    .login-layout {
        justify-content: flex-start;
        padding-top: 1.8rem;
    }

    .login-card {
        padding: 1.35rem;
        border-radius: 14px;
    }

    .login-title {
        font-size: 1.8rem;
    }
}