/* ===============================
   Custom WW theme CSS (user-provided)
   =============================== */

:root {
    --bg-main: #050815;
    --bg-card: rgba(15, 23, 42, 0.92);
    --bg-card-soft: rgba(15, 23, 42, 0.7);
    --accent: #38bdf8;
    --accent-soft: rgba(56, 189, 248, 0.15);
    --accent-strong: #22d3ee;
    --danger: #f97373;
    --text-main: #e5e7eb;
    --text-sub: #9ca3af;
    --border-soft: rgba(148, 163, 184, 0.35);
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.9);
    --transition-fast: 160ms ease-out;
    --transition-normal: 220ms ease-out;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Pretendard", "Noto Sans KR", sans-serif;
    color: var(--text-main);
    background:
        radial-gradient(circle at 10% 0, #0b1120 0, transparent 45%),
        radial-gradient(circle at 80% 100%, #0f172a 0, transparent 45%),
        radial-gradient(circle at 50% 50%, #020617 0, #020617 60%);
    background-color: var(--bg-main);
    -webkit-font-smoothing: antialiased;
}

/* 전체 레이아웃(로그인 페이지 래퍼에 적용) */
.ww-layout {
    min-height: 100vh;
    padding: 40px 18px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

@media (min-width: 1040px) {
    .ww-layout {
        padding: 48px 64px 40px;
        flex-direction: row;
        align-items: stretch;
        justify-content: center;
        gap: 52px;
    }
}

/* 좌측: 로그인 카드/폼 영역 */
.ww-login-panel {
    width: 100%;
    max-width: 440px;
    border-radius: var(--radius-xl);
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.92));
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.35);
    padding: 26px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    backdrop-filter: blur(18px);
}

@media (min-width: 1040px) {
    .ww-login-panel {
        padding: 30px 28px 26px;
    }
}

.ww-login-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 4px;
}

.ww-login-logo {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 0, #fefce8 0, #facc15 40%, #022c22 90%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0b1120;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.08em;
}

.ww-login-title {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.ww-login-subtitle {
    font-size: 13px;
    color: var(--text-sub);
}

/* 언어 선택 영역 */
.ww-lang-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 4px 0 6px;
}

.ww-lang-chip {
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 12px;
    border: 1px solid transparent;
    background: rgba(15, 23, 42, 0.85);
    color: var(--text-sub);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.ww-lang-chip.is-active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.ww-lang-chip:hover {
    border-color: var(--accent-soft);
    transform: translateY(-1px);
}

/* 입력 폼 공통 */
.ww-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 12px;
}

.ww-label {
    font-size: 13px;
    color: var(--text-sub);
}

.ww-input,
.ww-select {
    width: 100%;
    border-radius: 999px;
    border: 1px solid var(--border-soft);
    background-color: rgba(15, 23, 42, 0.8);
    padding: 10px 14px;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal), transform var(--transition-fast);
}

.ww-input::placeholder {
    color: #6b7280;
}

.ww-input:focus,
.ww-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.4);
    background-color: rgba(15, 23, 42, 0.95);
    transform: translateY(-1px);
}

/* 버튼 공통 */
.ww-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 0;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    cursor: pointer;
    outline: none;
    transition: background var(--transition-normal), transform var(--transition-fast), box-shadow var(--transition-normal), color var(--transition-fast);
}

.ww-btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #020617;
    box-shadow: 0 14px 35px rgba(56, 189, 248, 0.35);
}

.ww-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 45px rgba(56, 189, 248, 0.45);
}

.ww-btn-ghost {
    background: transparent;
    color: var(--text-sub);
}

.ww-btn-ghost:hover {
    background: rgba(15, 23, 42, 0.9);
    color: var(--text-main);
}

.ww-btn-full {
    width: 100%;
}

/* 코드 전송/재전송 상태 텍스트 */
.ww-hint-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 6px;
}

.ww-hint {
    font-size: 11px;
    color: var(--text-sub);
}

.ww-hint-strong {
    color: var(--accent-strong);
}

/* 우측: 메인 비주얼 영역 */
.ww-hero {
    width: 100%;
    max-width: 760px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 18px;
    color: var(--text-main);
}

@media (min-width: 1040px) {
    .ww-hero {
        min-height: 540px;
    }
}

.ww-hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent-strong);
}

.ww-hero-tagline-dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--accent-strong);
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.9);
}

.ww-hero-title {
    margin-top: 4px;
    font-size: clamp(30px, 4vw, 40px);
    line-height: 1.1;
    font-weight: 700;
}

.ww-hero-desc {
    margin-top: 10px;
    font-size: 14px;
    color: var(--text-sub);
    max-width: 460px;
}

/* “블로그 들어가기” 버튼 스타일 정리용 */
.ww-hero-cta-row {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* 게임 카드/포스트 프리뷰를 감싸는 래퍼 */
.ww-card-row {
    margin-top: 24px;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 14px;
}

@media (max-width: 960px) {
    .ww-card-row {
        grid-template-columns: minmax(0, 1fr);
    }
}

.ww-card {
    position: relative;
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at 10% 0, rgba(56, 189, 248, 0.14), transparent 55%), var(--bg-card-soft);
    border: 1px solid rgba(148, 163, 184, 0.35);
    overflow: hidden;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.8);
    display: flex;
    flex-direction: column;
}

.ww-card-header {
    padding: 12px 14px 10px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 12px;
    color: var(--text-sub);
}

.ww-card-title {
    font-size: 13px;
    color: var(--text-main);
}

.ww-card-body {
    padding: 2px 14px 12px;
    font-size: 12px;
    color: var(--text-sub);
}

.ww-card-body strong {
    color: var(--accent-strong);
}

/* 하단 푸터/저작권 바 */
.ww-footer-bar {
    margin-top: auto;
    padding-top: 18px;
    font-size: 11px;
    color: var(--text-sub);
}

.ww-footer-bar a {
    color: var(--accent);
    text-decoration: none;
}

.ww-footer-bar a:hover {
    text-decoration: underline;
}

/* 학과 캐릭터(전주대 곰) 블록용 – 크로마키 이미지에 적용 */
.major-card {
    position: relative;
    margin-top: 22px;
    max-width: 320px;
    border-radius: var(--radius-xl);
    background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.18), transparent 55%), var(--bg-card);
    border: 1px solid rgba(148, 163, 184, 0.35);
    padding: 14px 16px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: default;
    overflow: hidden;
}

.major-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 130% -10%, rgba(56, 189, 248, 0.08), transparent 45%);
    pointer-events: none;
}

.major-illust {
    width: 90px;
    height: 90px;
    border-radius: 24px;
    background: radial-gradient(circle at 50% 40%, rgba(251, 251, 255, 0.96), rgba(148, 163, 184, 0.4));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.major-illust img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.major-info-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.major-info-sub {
    font-size: 12px;
    color: var(--text-sub);
}

.major-chip-row {
    margin-top: 6px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.major-chip {
    font-size: 11px;
    border-radius: 999px;
    padding: 3px 9px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.35);
    color: var(--accent-strong);
}

/* 모바일 대응 */
@media (max-width: 640px) {
    .ww-login-panel {
        max-width: 420px;
    }

    .major-card {
        max-width: 100%;
    }
}


/* ===============================
      SNOWFALL - PREMIUM CSS ONLY
   =============================== */

.snow-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 99999;
    overflow: hidden;
}

/* 레이어 1: 큰 눈, 느리게 */
.snow-layer.layer1 {
    background-image:
        radial-gradient(4px 4px at 10% 10%, rgba(255,255,255,0.9) 70%, transparent),
        radial-gradient(3px 3px at 70% 20%, rgba(255,255,255,0.85) 70%, transparent),
        radial-gradient(4px 4px at 40% 0%, rgba(255,255,255,0.9) 70%, transparent);
    background-size: 200px 600px;
    animation: snowFall1 14s linear infinite;
}

/* 레이어 2: 중간 눈, 일반 속도 */
.snow-layer.layer2 {
    background-image:
        radial-gradient(3px 3px at 20% 40%, rgba(255,255,255,0.85), transparent),
        radial-gradient(2px 2px at 80% 10%, rgba(255,255,255,0.8), transparent),
        radial-gradient(3px 3px at 50% 30%, rgba(255,255,255,0.85), transparent),
        radial-gradient(2px 2px at 10% 80%, rgba(255,255,255,0.8), transparent);
    background-size: 150px 400px;
    animation: snowFall2 10s linear infinite;
}

/* 레이어 3: 작은 눈, 빠르게 */
.snow-layer.layer3 {
    background-image:
        radial-gradient(2px 2px at 30% 20%, rgba(255,255,255,0.7), transparent),
        radial-gradient(2px 2px at 90% 60%, rgba(255,255,255,0.65), transparent),
        radial-gradient(1.5px 1.5px at 60% 90%, rgba(255,255,255,0.7), transparent),
        radial-gradient(2px 2px at 10% 10%, rgba(255,255,255,0.7), transparent),
        radial-gradient(1.5px 1.5px at 50% 50%, rgba(255,255,255,0.6), transparent);
    background-size: 120px 300px;
    animation: snowFall3 7s linear infinite;
}


/* 애니메이션 */
@keyframes snowFall1 {
    from { background-position: 0 0; }
    to   { background-position: 0 1200px; }
}

@keyframes snowFall2 {
    from { background-position: 0 0; }
    to   { background-position: 0 1000px; }
}

@keyframes snowFall3 {
    from { background-position: 0 0; }
    to   { background-position: 0 900px; }
}
/* WW Theme additions */
:root {
    --bg-main: #050815;
    --bg-card: rgba(15, 23, 42, 0.92);
    --bg-card-soft: rgba(15, 23, 42, 0.7);
    --accent: #38bdf8;
    --accent-soft: rgba(56, 189, 248, 0.15);
    --accent-strong: #22d3ee;
    --danger: #f97373;
    --text-main: #e5e7eb;
    --text-sub: #9ca3af;
    --border-soft: rgba(148, 163, 184, 0.35);
    --radius-lg: 18px;
    --radius-xl: 26px;
    --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.9);
    --transition-fast: 160ms ease-out;
    --transition-normal: 220ms ease-out;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Pretendard", "Noto Sans KR", sans-serif;
    color: var(--text-main);
    background:
        radial-gradient(circle at 10% 0, #0b1120 0, transparent 45%),
        radial-gradient(circle at 80% 100%, #0f172a 0, transparent 45%),
        radial-gradient(circle at 50% 50%, #020617 0, #020617 60%);
    background-color: var(--bg-main);
    -webkit-font-smoothing: antialiased;
}

/* 전체 레이아웃(로그인 페이지 래퍼에 적용) */
.ww-layout {
    min-height: 100vh;
    padding: 40px 18px 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

@media (min-width: 1040px) {
    .ww-layout {
        padding: 48px 64px 40px;
        flex-direction: row;
        align-items: stretch;
        justify-content: center;
        gap: 52px;
    }
}

/* 좌측: 로그인 카드/폼 영역 */
.ww-login-panel {
    width: 100%;
    max-width: 440px;
    border-radius: var(--radius-xl);
    background: linear-gradient(145deg, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.92));
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148, 163, 184, 0.35);
    padding: 26px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    backdrop-filter: blur(18px);
}

@media (min-width: 1040px) {
    .ww-login-panel {
        padding: 30px 28px 26px;
    }
}

.ww-login-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 4px;
}

.ww-login-logo {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 0, #fefce8 0, #facc15 40%, #022c22 90%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0b1120;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.08em;
}

.ww-login-title {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.ww-login-subtitle {
    font-size: 13px;
    color: var(--text-sub);
}

/* 언어 선택 영역 */
.ww-lang-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 4px 0 6px;
}

.ww-lang-chip {
    border-radius: 999px;
    padding: 4px 10px;
    font-size: 12px;
    border: 1px solid transparent;
    background: rgba(15, 23, 42, 0.85);
    color: var(--text-sub);
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.ww-lang-chip.is-active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent-strong);
}

.ww-lang-chip:hover {
    border-color: var(--accent-soft);
    transform: translateY(-1px);
}

/* 입력 폼 공통 */
.ww-form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 12px;
}

.ww-label {
    font-size: 13px;
    color: var(--text-sub);
}

.ww-input,
.ww-select {
    width: 100%;
    border-radius: 999px;
    border: 1px solid var(--border-soft);
    background-color: rgba(15, 23, 42, 0.8);
    padding: 10px 14px;
    color: var(--text-main);
    font-size: 13px;
    outline: none;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal), transform var(--transition-fast);
}

.ww-input::placeholder {
    color: #6b7280;
}

.ww-input:focus,
.ww-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.4);
    background-color: rgba(15, 23, 42, 0.95);
    transform: translateY(-1px);
}

/* 버튼 공통 */
.ww-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 0;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    cursor: pointer;
    outline: none;
    transition: background var(--transition-normal), transform var(--transition-fast), box-shadow var(--transition-normal), color var(--transition-fast);
}

.ww-btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #020617;
    box-shadow: 0 14px 35px rgba(56, 189, 248, 0.35);
}

.ww-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 45px rgba(56, 189, 248, 0.45);
}

.ww-btn-ghost {
    background: transparent;
    color: var(--text-sub);
}

.ww-btn-ghost:hover {
    background: rgba(15, 23, 42, 0.9);
    color: var(--text-main);
}

.ww-btn-full {
    width: 100%;
}

/* 코드 전송/재전송 상태 텍스트 */
.ww-hint-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 6px;
}

.ww-hint {
    font-size: 11px;
    color: var(--text-sub);
}

.ww-hint-strong {
    color: var(--accent-strong);
}

/* 우측: 메인 비주얼 영역 */
.ww-hero {
    width: 100%;
    max-width: 760px;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 18px;
    color: var(--text-main);
}

@media (min-width: 1040px) {
    .ww-hero {
        min-height: 540px;
    }
}

.ww-hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent-strong);
}

.ww-hero-tagline-dot {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: var(--accent-strong);
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.9);
}

.ww-hero-title {
    margin-top: 4px;
    font-size: clamp(30px, 4vw, 40px);
    line-height: 1.1;
    font-weight: 700;
}

.ww-hero-desc {
    margin-top: 10px;
    font-size: 14px;
    color: var(--text-sub);
    max-width: 460px;
}

/* “블로그 들어가기” 버튼 스타일 정리용 */
.ww-hero-cta-row {
    margin-top: 18px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* 게임 카드/포스트 프리뷰를 감싸는 래퍼 */
.ww-card-row {
    margin-top: 24px;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 14px;
}

@media (max-width: 960px) {
    .ww-card-row {
        grid-template-columns: minmax(0, 1fr);
    }
}

.ww-card {
    position: relative;
    border-radius: var(--radius-lg);
    background: radial-gradient(circle at 10% 0, rgba(56, 189, 248, 0.14), transparent 55%), var(--bg-card-soft);
    border: 1px solid rgba(148, 163, 184, 0.35);
    overflow: hidden;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.8);
    display: flex;
    flex-direction: column;
}

.ww-card-header {
    padding: 12px 14px 10px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 12px;
    color: var(--text-sub);
}

.ww-card-title {
    font-size: 13px;
    color: var(--text-main);
}

.ww-card-body {
    padding: 2px 14px 12px;
    font-size: 12px;
    color: var(--text-sub);
}

.ww-card-body strong {
    color: var(--accent-strong);
}

/* 하단 푸터/저작권 바 */
.ww-footer-bar {
    margin-top: auto;
    padding-top: 18px;
    font-size: 11px;
    color: var(--text-sub);
}

.ww-footer-bar a {
    color: var(--accent);
    text-decoration: none;
}

.ww-footer-bar a:hover {
    text-decoration: underline;
}

/* 학과 캐릭터(전주대 곰) 블록용 – 크로마키 이미지에 적용 */
.major-card {
    position: relative;
    margin-top: 22px;
    max-width: 320px;
    border-radius: var(--radius-xl);
    background: radial-gradient(circle at 0 0, rgba(56, 189, 248, 0.18), transparent 55%), var(--bg-card);
    border: 1px solid rgba(148, 163, 184, 0.35);
    padding: 14px 16px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: default;
    overflow: hidden;
}

.major-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 130% -10%, rgba(56, 189, 248, 0.08), transparent 45%);
    pointer-events: none;
}

.major-illust {
    width: 90px;
    height: 90px;
    border-radius: 24px;
    background: radial-gradient(circle at 50% 40%, rgba(251, 251, 255, 0.96), rgba(148, 163, 184, 0.4));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.major-illust img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.major-info-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.major-info-sub {
    font-size: 12px;
    color: var(--text-sub);
}

.major-chip-row {
    margin-top: 6px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.major-chip {
    font-size: 11px;
    border-radius: 999px;
    padding: 3px 9px;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.35);
    color: var(--accent-strong);
}

/* 모바일 대응 */
@media (max-width: 640px) {
    .ww-login-panel {
        max-width: 420px;
    }

    .major-card {
        max-width: 100%;
    }
}