/*
 * Schwedt Tiefbau – Login
 * Corporate-inspired login theme.
 *
 * Existing authentication contract is intentionally preserved:
 * - user_login route
 * - _username / _password
 * - _remember_me
 * - _csrf_token
 * - inputUsername / inputPassword
 * - form-signin / btn-signin
 */

:root {
    --login-red: #c91443;
    --login-red-dark: #a80f37;
    --login-red-soft: rgba(201, 20, 67, .08);

    --login-navy: #171936;
    --login-navy-soft: #292b4b;

    --login-text: #20212d;
    --login-muted: #747783;
    --login-border: #e1e3e8;
    --login-bg: #f4f5f7;
    --login-white: #ffffff;

    --login-radius: 12px;
    --login-shadow: 0 24px 70px rgba(23, 25, 54, .16);
}

/* Full-page login canvas */
html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 15% 20%, rgba(201, 20, 67, .08), transparent 32%),
        radial-gradient(circle at 85% 85%, rgba(23, 25, 54, .09), transparent 36%),
        var(--login-bg);
    color: var(--login-text);
}

.login-page {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem 1rem;
    overflow: hidden;
}

/* Subtle corporate construction-line motif */
.login-page::before,
.login-page::after {
    content: "";
    position: absolute;
    pointer-events: none;
}

.login-page::before {
    top: -180px;
    right: -160px;
    width: 520px;
    height: 520px;
    border: 70px solid rgba(23, 25, 54, .035);
    border-radius: 50%;
}

.login-page::after {
    bottom: -240px;
    left: -190px;
    width: 560px;
    height: 560px;
    border: 80px solid rgba(201, 20, 67, .045);
    border-radius: 50%;
}

.login-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 430px;
}

/* Main card */
.login-card {
    overflow: hidden;
    padding: 2.5rem 2.5rem 1.75rem;
    border: 1px solid rgba(23, 25, 54, .08);
    border-radius: var(--login-radius);
    background: var(--login-white);
    box-shadow: var(--login-shadow);
}

.login-card::before {
    content: "";
    display: block;
    height: 4px;
    margin: -2.5rem -2.5rem 2.25rem;
    background: linear-gradient(90deg, var(--login-red), #df315e);
}

/* Brand */
.login-brand {
    display: flex;
    align-items: center;
    gap: .8rem;
    margin-bottom: 2.2rem;
}

.login-brand-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 58px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--login-red);
    color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 2.25rem;
    font-weight: 900;
    font-style: italic;
    line-height: 1;
    box-shadow: 0 8px 20px rgba(201, 20, 67, .24);
}

.login-brand-name {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.login-brand-schwedt {
    color: var(--login-red);
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: -.04em;
}

.login-brand-tiefbau {
    margin-top: .25rem;
    color: var(--login-navy);
    font-size: .9rem;
    font-weight: 700;
    letter-spacing: .04em;
}

/* Heading */
.login-heading {
    margin-bottom: 1.75rem;
}

.login-eyebrow {
    display: block;
    margin-bottom: .35rem;
    color: var(--login-red);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .13em;
    text-transform: uppercase;
}

.login-heading h1 {
    margin: 0;
    color: var(--login-navy);
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: -.025em;
}

.login-heading p {
    margin: .45rem 0 0;
    color: var(--login-muted);
    font-size: .9rem;
}

/* Error */
.login-error {
    display: flex;
    align-items: center;
    margin-bottom: 1.25rem;
    padding: .8rem .9rem;
    border: 1px solid rgba(220, 53, 69, .2);
    border-radius: 8px;
    font-size: .875rem;
}

/* Fields */
.login-field {
    margin-bottom: 1.15rem;
}

.login-field .form-label {
    margin-bottom: .45rem;
    color: var(--login-navy);
    font-size: .82rem;
    font-weight: 700;
}

.login-form .input-group {
    position: relative;
}

.login-form .input-group-text {
    min-width: 46px;
    justify-content: center;
    border: 1px solid var(--login-border);
    border-right: 0;
    border-radius: 8px 0 0 8px;
    background: #fafbfc;
    color: var(--login-muted);
}

.login-form .form-control {
    height: 48px;
    border-color: var(--login-border);
    border-radius: 0 8px 8px 0;
    color: var(--login-text);
    background: var(--login-white);
    box-shadow: none;
}

.login-form .form-control::placeholder {
    color: #a1a4ad;
}

.login-form .form-control:focus {
    border-color: var(--login-red);
    box-shadow: 0 0 0 3px var(--login-red-soft);
}

.login-form .input-group:focus-within .input-group-text {
    border-color: var(--login-red);
    color: var(--login-red);
    background: #fff;
}

/* Remember me */
.login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: .2rem 0 1.35rem;
}

.login-options .form-check {
    display: flex;
    align-items: center;
    min-height: 24px;
    margin: 0;
}

.login-options .form-check-input {
    width: 17px;
    height: 17px;
    margin-top: 0;
    margin-right: .5rem;
    border-color: #c9ccd3;
}

.login-options .form-check-input:checked {
    border-color: var(--login-red);
    background-color: var(--login-red);
}

.login-options .form-check-label {
    color: var(--login-muted);
    font-size: .82rem;
}

/* Submit */
.login-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .75rem;
    width: 100%;
    min-height: 50px;
    height: auto;
    border: 0;
    border-radius: 8px;
    background: var(--login-red);
    color: #fff;
    font-size: .92rem;
    font-weight: 700;
    letter-spacing: .01em;
    cursor: pointer;
    box-shadow: 0 8px 18px rgba(201, 20, 67, .2);
}

.login-submit:hover,
.login-submit:focus,
.login-submit:active {
    background: var(--login-red-dark);
    color: #fff;
    box-shadow: 0 10px 22px rgba(201, 20, 67, .25);
}

.login-submit i {
    font-size: .8rem;
    transition: transform .15s ease;
}

.login-submit:hover i {
    transform: translateX(3px);
}

/* Bottom hint */
.login-footer {
    margin-top: 1.5rem;
    padding-top: 1.15rem;
    border-top: 1px solid #eef0f3;
    color: #9699a3;
    font-size: .72rem;
    text-align: center;
}

.login-page-footer {
    display: flex;
    justify-content: center;
    gap: .55rem;
    margin-top: 1.25rem;
    color: #8b8e98;
    font-size: .72rem;
}

.login-footer-separator {
    color: var(--login-red);
}

/* Prevent legacy login.css rules from making Bootstrap buttons globally huge. */
.form-signin button.btn-signin {
    width: 100%;
    margin-bottom: 0;
}

/* Mobile */
@media (max-width: 575.98px) {
    .login-page {
        align-items: flex-start;
        padding: 1rem;
    }

    .login-shell {
        margin-top: 1rem;
    }

    .login-card {
        padding: 2rem 1.25rem 1.5rem;
    }

    .login-card::before {
        margin: -2rem -1.25rem 1.8rem;
    }

    .login-brand {
        margin-bottom: 1.75rem;
    }

    .login-brand-mark {
        flex-basis: 50px;
        width: 50px;
        height: 50px;
        font-size: 1.9rem;
    }

    .login-brand-schwedt {
        font-size: 1.65rem;
    }

    .login-page-footer {
        flex-wrap: wrap;
        font-size: .68rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-submit,
    .login-submit i {
        transition: none;
    }
}