/* =========================================================================
   login-keycloak.css
   Professional single-button SSO login page for CPN TMS.
   Loaded only when the login view is rendered (body.login-page).
   All selectors are scoped under .kc-login-page (or body.login-page) to
   avoid colliding with AdminLTE / Bootstrap / cpn-styles classes.
   ========================================================================= */

/* ---- Brand palette ---------------------------------------------------- */
:root {
    --kc-brand-primary: #b49651;        /* CPN gold */
    --kc-brand-primary-dark: #8c7235;
    --kc-brand-primary-light: #cdb074;
    --kc-brand-accent: #d8c08a;         /* light gold accent */
    --kc-text-strong: #1f2937;
    --kc-text-muted: #6b7280;
    --kc-text-soft: #9ca3af;
    --kc-surface: #ffffff;
    --kc-surface-hint: #f7f8fa;
    --kc-border: #e5e7eb;
    --kc-shadow: 0 24px 60px -20px rgba(15, 23, 42, 0.35),
                 0 8px 24px -8px rgba(15, 23, 42, 0.18);
}

/* ---- Page background --------------------------------------------------- */
/* Override the legacy body.login-page styling from cpn-styles.css */
body.login-page {
    height: 100vh !important;
    min-height: 100vh;
    margin: 0;
    background-color: #0f172a;
    background-image: linear-gradient(135deg,
                        rgba(15, 23, 42, 0.78) 0%,
                        rgba(180, 150, 81, 0.55) 100%),
                      url('images/6-login-screen.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--kc-text-strong);
    font-family: 'Segoe UI', 'Helvetica Neue', 'supermarket', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ---- Layout shell ------------------------------------------------------ */
.kc-login-page {
    min-height: 100vh;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    box-sizing: border-box;
}

.kc-login-shell {
    width: 100%;
    max-width: 440px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ---- Card -------------------------------------------------------------- */
.kc-login-card {
    width: 100%;
    background: var(--kc-surface);
    border-radius: 16px;
    padding: 44px 40px 36px;
    box-shadow: var(--kc-shadow);
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    animation: kc-card-in 420ms ease-out both;
}

.kc-login-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
                    var(--kc-brand-primary) 0%,
                    var(--kc-brand-primary-light) 50%,
                    var(--kc-brand-accent) 100%);
}

@keyframes kc-card-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- Logo -------------------------------------------------------------- */
.kc-login-card__logo {
    text-align: center;
    margin-bottom: 24px;
}

.kc-login-card__logo img {
    max-width: 220px;
    width: 100%;
    height: auto;
    display: inline-block;
}

/* ---- Heading ----------------------------------------------------------- */
.kc-login-card__heading {
    text-align: center;
    margin-bottom: 32px;
}

.kc-login-card__title {
    margin: 0 0 6px;
    font-size: 22px;
    font-weight: 600;
    color: var(--kc-text-strong);
    letter-spacing: -0.01em;
}

.kc-login-card__subtitle {
    margin: 0;
    font-size: 14px;
    color: var(--kc-text-muted);
    line-height: 1.5;
}

/* ---- Actions / single primary button ---------------------------------- */
.kc-login-card__actions {
    margin-bottom: 24px;
}

.kc-login-btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg,
                    var(--kc-brand-primary) 0%,
                    var(--kc-brand-primary-dark) 100%);
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow: 0 6px 18px -6px rgba(180, 150, 81, 0.55);
    transition: transform 150ms ease,
                box-shadow 200ms ease,
                background 200ms ease;
}

.kc-login-btn:hover,
.kc-login-btn:focus {
    background: linear-gradient(135deg,
                    var(--kc-brand-primary-light) 0%,
                    var(--kc-brand-primary) 100%);
    box-shadow: 0 10px 24px -8px rgba(180, 150, 81, 0.65);
    transform: translateY(-1px);
    outline: none;
    color: #ffffff;
    text-decoration: none;
}

.kc-login-btn:focus-visible {
    box-shadow: 0 0 0 3px rgba(180, 150, 81, 0.30),
                0 10px 24px -8px rgba(180, 150, 81, 0.65);
}

.kc-login-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px -4px rgba(180, 150, 81, 0.55);
}

.kc-login-btn:disabled,
.kc-login-btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.kc-login-btn__icon {
    font-size: 16px;
    line-height: 1;
}

.kc-login-btn__label {
    line-height: 1;
}

/* ---- Error message ---------------------------------------------------- */
.kc-login-card__error {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    margin-bottom: 14px;
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: 8px;
    color: #b91c1c;
    font-size: 13.5px;
    line-height: 1.4;
}

.kc-login-card__error .fa {
    flex-shrink: 0;
    font-size: 15px;
    color: #ef4444;
}

/* ---- Hint row (small caption under the button) ------------------------ */
.kc-login-card__hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--kc-surface-hint);
    border: 1px solid var(--kc-border);
    border-radius: 8px;
    color: var(--kc-text-muted);
    font-size: 12.5px;
}

.kc-login-card__hint-icon {
    color: var(--kc-brand-primary);
    font-size: 13px;
}

/* ---- Footer ------------------------------------------------------------ */
.kc-login-footer {
    margin-top: 22px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 12px;
    letter-spacing: 0.02em;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.kc-login-footer__sep {
    margin: 0 8px;
    opacity: 0.6;
}

/* ---- Responsive -------------------------------------------------------- */
@media (max-width: 480px) {
    .kc-login-card {
        padding: 36px 24px 28px;
        border-radius: 14px;
    }

    .kc-login-card__logo img {
        max-width: 180px;
    }

    .kc-login-card__title {
        font-size: 19px;
    }

    .kc-login-btn {
        padding: 13px 16px;
        font-size: 14px;
    }
}

/* ---- Reduced motion ---------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .kc-login-card {
        animation: none;
    }
    .kc-login-btn {
        transition: none;
    }
}