/*
 * SeattleKR Social Login Page — login-page.css
 * Mobile-first; 390px primary, 768px, 1440px breakpoints.
 * Loaded only on template-login.php via is_page_template() gate in functions.php.
 * Uses --joongang-* tokens with local hex fallbacks so the file is self-contained.
 */

/* ── Variables (local fallbacks mirror joongang-style.css tokens) ──────── */
:root {
    --skr-lp-blue:   var(--joongang-blue,   #2563eb);
    --skr-lp-navy:   var(--joongang-navy,   #0f1f44);
    --skr-lp-bg:     var(--joongang-bg,     #f6f9ff);
    --skr-lp-border: #e5e9f2;
    --skr-lp-muted:  #6b7280;
    --skr-lp-font:   "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ── Page shell ──────────────────────────────────────────────────────────── */
body.skr-login-body {
    background: var(--skr-lp-bg);
    font-family: var(--skr-lp-font);
}

.skr-lp {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 16px 48px;
    box-sizing: border-box;
}

/* ── Card ────────────────────────────────────────────────────────────────── */
.skr-lp__card {
    width: 100%;
    padding: 32px 16px 28px;
    background: #fff;
    border: 1px solid var(--skr-lp-border);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(15, 31, 68, 0.07);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    box-sizing: border-box;
}

@media (min-width: 480px) {
    .skr-lp__card {
        max-width: 400px;
        padding: 40px 36px 32px;
    }
}

/* ── Wordmark ─────────────────────────────────────────────────────────────── */
.skr-lp__wordmark {
    font-family: var(--skr-lp-font);
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--skr-lp-navy);
    margin-bottom: 20px;
    line-height: 1.15;
    text-align: center;
}

.skr-lp__wordmark-kr {
    color: var(--skr-lp-blue);
}

/* ── Heading + sub ───────────────────────────────────────────────────────── */
.skr-lp__heading {
    font-size: 17px;
    font-weight: 700;
    color: var(--skr-lp-navy);
    margin: 0 0 8px;
    text-align: center;
    line-height: 1.4;
}

.skr-lp__sub {
    font-size: 13px;
    color: var(--skr-lp-muted);
    margin: 0 0 24px;
    text-align: center;
    line-height: 1.55;
}

/* ── Already-logged-in message ───────────────────────────────────────────── */
.skr-lp__already {
    font-size: 14px;
    color: var(--skr-lp-navy);
    text-align: center;
    margin-bottom: 20px;
}

.skr-lp__home-btn {
    display: block;
    width: 100%;
    min-height: 48px;
    padding: 12px 16px;
    background: var(--skr-lp-blue);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    border-radius: 999px;
    box-sizing: border-box;
    transition: background 0.15s ease;
    margin-bottom: 8px;
    line-height: 1.4;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skr-lp__home-btn:hover,
.skr-lp__home-btn:focus {
    background: #1d4ed8;
    color: #fff;
    text-decoration: none;
}

/* ── Provider buttons ────────────────────────────────────────────────────── */
.skr-lp__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 10px;
    font-family: var(--skr-lp-font);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    border: 1px solid transparent;
    box-sizing: border-box;
    transition: opacity 0.15s ease, box-shadow 0.15s ease;
    margin-bottom: 10px;
    cursor: pointer;
    line-height: 1;
}

.skr-lp__btn:hover,
.skr-lp__btn:focus {
    opacity: 0.88;
    text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.skr-lp__btn-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}

/* Google */
.skr-lp__btn--google {
    background: #fff;
    color: #3c4043;
    border-color: #dadce0;
}
.skr-lp__btn--google:hover,
.skr-lp__btn--google:focus {
    color: #3c4043;
    background: #f8f9fa;
}

/* Kakao */
.skr-lp__btn--kakao {
    background: #FEE500;
    color: #3c1e1e;
    border-color: #FEE500;
}
.skr-lp__btn--kakao:hover,
.skr-lp__btn--kakao:focus {
    color: #3c1e1e;
}

/* Facebook */
.skr-lp__btn--facebook {
    background: #1877F2;
    color: #fff;
    border-color: #1877F2;
}
.skr-lp__btn--facebook:hover,
.skr-lp__btn--facebook:focus {
    color: #fff;
    background: #166fe5;
}

/* Microsoft */
.skr-lp__btn--microsoft {
    background: #2F2F2F;
    color: #fff;
    border-color: #2F2F2F;
}
.skr-lp__btn--microsoft:hover,
.skr-lp__btn--microsoft:focus {
    color: #fff;
    background: #1a1a1a;
}

/* Apple */
.skr-lp__btn--apple {
    background: #000;
    color: #fff;
    border-color: #000;
}
.skr-lp__btn--apple:hover,
.skr-lp__btn--apple:focus {
    color: #fff;
    background: #1a1a1a;
}

/* ── Loading state (button clicked → redirecting to provider) ─────────────── */
/* Clicked button: hide its provider icon, show a spinner in its place. The
   spinner uses currentColor so it matches each provider button's text color. */
.skr-lp__btn.is-loading {
    pointer-events: none;
    cursor: default;
}
.skr-lp__btn.is-loading .skr-lp__btn-icon {
    display: none;
}
.skr-lp__btn.is-loading::before {
    content: "";
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: skr-lp-spin 0.6s linear infinite;
}

/* While one button is submitting, dim + disable the rest to prevent a second
   OAuth hop and to make the active choice obvious. */
.skr-lp__card.is-submitting .skr-lp__btn:not(.is-loading) {
    opacity: 0.45;
    pointer-events: none;
}

@keyframes skr-lp-spin {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .skr-lp__btn.is-loading::before {
        animation-duration: 1.5s;
    }
}

/* Mock (dev only) */
.skr-lp__btn--mock {
    background: #fff;
    color: var(--skr-lp-muted);
    border: 2px dashed #9ca3af;
    font-size: 14px;
}
.skr-lp__btn--mock:hover,
.skr-lp__btn--mock:focus {
    color: var(--skr-lp-navy);
}

/* ── Zero-providers message ───────────────────────────────────────────────── */
.skr-lp__no-providers {
    font-size: 14px;
    color: var(--skr-lp-muted);
    text-align: center;
    padding: 16px 0;
    margin-bottom: 12px;
    line-height: 1.55;
}

/* ── 768px+ refinements ───────────────────────────────────────────────────── */
@media (min-width: 768px) {
    .skr-lp__wordmark {
        font-size: 36px;
    }
    .skr-lp__heading {
        font-size: 18px;
    }
}

/* ── 1440px+ — card stays 400px; page background provides the breathing room */
@media (min-width: 1440px) {
    .skr-lp {
        padding: 48px 16px 64px;
    }
}