/* ============================================
   Login Page - Simple Modern Style
   로그인 페이지 전용 스타일
   ============================================ */

/* ============================================
   CSS Variables (Dashboard 색상 체계)
   ============================================ */
:root {
    /* Background Colors */
    --bg-primary: #f5f7fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f8f9fa;

    /* Text Colors */
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-muted: #95a5a6;
    --text-inverse: #ffffff;

    /* Border Colors */
    --border-color: #e1e8ed;

    /* Accent Colors */
    --accent-blue: #4a90e2;

    /* Font Sizes */
    --fs-xxl: 32px;
    --fs-xl: 24px;
    --fs-lg: 18px;
    --fs-md: 16px;
    --fs-sm: 15px;
    --fs-xs: 14px;
    --fs-xxs: 13px;
}

/* ============================================
   Login Page Container
   ============================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 20px;
}

/* ============================================
   Login Card
   ============================================ */
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--bg-secondary);
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

/* ============================================
   Login Header
   ============================================ */
.login-header {
    padding: 48px 40px 32px;
    text-align: center;
}

.login-logo-icon {
    width: 56px;
    height: 56px;
    background: var(--accent-blue);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.login-logo-icon svg {
    width: 28px;
    height: 28px;
    color: var(--text-inverse);
}

.login-title {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 6px;
    letter-spacing: -0.5px;
}

.login-subtitle {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    margin: 0;
    font-weight: 500;
}

/* ============================================
   Login Body
   ============================================ */
.login-body {
    padding: 0 40px 40px;
}

/* ============================================
   Form Group
   ============================================ */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: var(--fs-xxs);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    height: 48px;
    padding: 0 16px;
    font-size: var(--fs-sm);
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.12);
}

/* ============================================
   Checkbox
   ============================================ */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    margin-top: 4px;
}

.form-checkbox input {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.checkbox-custom svg {
    width: 12px;
    height: 12px;
    color: transparent;
}

.form-checkbox input:checked + .checkbox-custom {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

.form-checkbox input:checked + .checkbox-custom svg {
    color: var(--text-inverse);
}

.checkbox-label {
    font-size: var(--fs-xs);
    color: var(--text-secondary);
}

/* ============================================
   Login Button
   ============================================ */
.login-btn {
    width: 100%;
    height: 48px;
    margin-top: 24px;
    background: var(--accent-blue);
    color: var(--text-inverse);
    font-size: var(--fs-md);
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
}

.login-btn:hover {
    background: #3a7bc8;
}

.login-btn:active {
    background: #2d6cb5;
}

.login-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.3);
}

/* ============================================
   Login Footer
   ============================================ */
.login-footer {
    padding: 16px 40px 24px;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    margin: 0;
    font-size: var(--fs-xxs);
    color: var(--text-muted);
}

/* ============================================
   Responsive: Tablet & Mobile
   ============================================ */
@media (max-width: 480px) {
    .login-page {
        padding: 16px;
        align-items: flex-start;
        padding-top: 60px;
    }

    .login-card {
        border-radius: 14px;
    }

    .login-header {
        padding: 40px 24px 28px;
    }

    .login-logo-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
    }

    .login-logo-icon svg {
        width: 24px;
        height: 24px;
    }

    .login-title {
        font-size: 22px;
    }

    .login-body {
        padding: 0 24px 32px;
    }

    .form-input {
        height: 46px;
        font-size: 14px;
    }

    .login-btn {
        height: 46px;
        font-size: 15px;
    }

    .login-footer {
        padding: 14px 24px 20px;
    }
}