/* ---- Login stránka ---- */

body.login-page {
    background: linear-gradient(135deg, #1b2537 0%, #1a6eb5 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-wrap {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-box {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
    overflow: hidden;
}

.login-header {
    background: var(--color-sidebar);
    padding: 32px 36px 24px;
    text-align: center;
}
.login-logo {
    display: block;
    width: 140px;
    height: auto;
    margin: 0 auto 14px;
    filter: brightness(0) invert(1);
}
.login-header h1 {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin: 0;
}
.login-header p {
    font-size: 12px;
    color: rgba(255,255,255,.5);
    margin-top: 4px;
}

.login-body {
    padding: 32px 36px;
}

.form-group {
    margin-bottom: 18px;
}
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: .5px;
}
.form-group input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--color-text);
    background: #fafbfc;
    transition: border-color .2s, box-shadow .2s;
    outline: none;
}
.form-group input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26,110,181,.15);
    background: #fff;
}

.btn-login {
    width: 100%;
    padding: 11px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    letter-spacing: .3px;
    transition: background .2s, transform .1s;
    margin-top: 4px;
}
.btn-login:hover   { background: var(--color-primary-dk); }
.btn-login:active  { transform: scale(.99); }
.btn-login:disabled { opacity: .6; cursor: not-allowed; }

.login-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
    border-radius: 6px;
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 18px;
    display: none;
}
.login-error.show { display: block; }

.login-footer {
    text-align: center;
    padding: 16px;
    border-top: 1px solid var(--color-border);
    font-size: 11px;
    color: var(--color-text-muted);
}

.spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }