/* ════════════ LOGIN PAGE STYLES ════════════ */
*, *::before, *::after { box-sizing: border-box; }

:root {
    --login-bg: var(--bg);
    --login-panel: var(--panel);
    --login-tx: var(--tx);
    --login-blue: var(--blue);
    --login-mu: var(--mu);
}

body.login-body {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    font-family: 'Pretendard', sans-serif;
    background: var(--login-bg);
    color: var(--login-tx);
    overflow: hidden;
}

.login-container {
    display: flex;
    width: 900px;
    height: 576px;
    background: var(--login-panel);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--bd);
}

/* Banner Section */
.login-banner {
    flex: 1.2;
    position: relative;
    background: #0a0e1a;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 48px;
    color: white;
    overflow: hidden;
}

/* 비디오 배경 — object-fit:cover로 크롭 */
.login-banner-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    z-index: 0;
}

/* 텍스트 가독성 확보를 위한 그라데이션 오버레이 */
.login-banner-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(to bottom,
            rgba(10, 14, 26, 0.25) 0%,
            rgba(10, 14, 26, 0.15) 40%,
            rgba(10, 14, 26, 0.75) 75%,
            rgba(10, 14, 26, 0.92) 100%),
        linear-gradient(135deg,
            rgba(58, 109, 240, 0.35) 0%,
            rgba(139, 92, 246, 0.25) 100%);
    z-index: 1;
}

.login-banner-content {
    position: relative;
    z-index: 2;
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.login-logo-mark {
    width: 36px;
    height: 36px;
    background: white;
    color: #3a6df0;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 18px;
    font-family: 'DM Mono', monospace;
}

.login-logo-name {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.login-banner-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    font-family: 'Pretendard', sans-serif;
    letter-spacing: -1px;
}

.login-banner-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* Form Section */
.login-form-area {
    flex: 1;
    padding: 64px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-header {
    margin-bottom: 32px;
}

.login-header h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

.login-header p {
    font-size: 14px;
    color: var(--login-mu);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--login-mu);
}

.form-input {
    width: 100%;
    height: 48px;
    background: var(--inp);
    border: 1px solid var(--bd);
    border-radius: 10px;
    padding: 0 16px;
    font-size: 14px;
    color: var(--tx);
    outline: none;
    transition: all 0.2s;
}

.form-input:focus {
    border-color: var(--login-blue);
    box-shadow: 0 0 0 4px rgba(58, 109, 240, 0.1);
}

.btn-login {
    width: 100%;
    height: 48px;
    background: linear-gradient(135deg, #3a6df0, #7c3aed);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 12px;
    transition: all 0.2s;
    box-shadow: 0 10px 20px -5px rgba(58, 109, 240, 0.3);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -5px rgba(58, 109, 240, 0.4);
}

.btn-login:active {
    transform: translateY(0);
}

.login-footer {
    margin-top: 32px;
    text-align: center;
    font-size: 14px;
    color: var(--login-mu);
}

.login-footer a {
    color: var(--login-blue);
    text-decoration: none;
    font-weight: 700;
}

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

.error-msg {
    color: var(--red);
    font-size: 12px;
    margin-top: 6px;
    display: none;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-container {
    animation: fadeIn 0.6s ease-out forwards;
}

/* Responsive */
@media (max-width: 900px) {
    .login-container {
        width: 100%;
        height: 100vh;
        border-radius: 0;
    }
    .login-banner {
        display: none;
    }
}