/* ================================
   인스턴스 컨트롤 페이지 전용 스타일
   ================================ */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

/* 로그인 화면 */
.login-page {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-secondary, #f8fafc);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-container .logo {
    font-size: 1.75rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 0.5rem;
}

.login-container .subtitle {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1rem;
}

.login-contact {
    margin-top: 1.5rem;
    color: #888;
    font-size: 0.85rem;
}

.login-container .form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.login-container label {
    display: block;
    margin-bottom: 0.5rem;
    color: #333;
    font-weight: 500;
}

.login-container input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e1e5e9;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.login-container input:focus {
    outline: none;
    border-color: #FF6B00;
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.btn-login {
    width: 100%;
    padding: 0.75rem;
    background: linear-gradient(135deg, #FF6B00 0%, #E65C00 100%);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 107, 0, 0.3);
}

.error-message {
    background-color: #fee;
    color: #c33;
    padding: 0.75rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    border: 1px solid #fcc;
}

/* 로그아웃 버튼 (헤더) */
.btn-logout {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-logout:hover {
    background: var(--bg-tertiary);
    transform: translateY(-1px);
}

/* 인스턴스 카드 목록 */
.instance-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.instance-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.instance-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 220px;
}

.instance-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.instance-name i {
    color: var(--primary-color);
}

.instance-meta {
    display: flex;
    gap: 0.5rem;
}

.meta-badge {
    background: #f1f5f9;
    color: var(--text-secondary);
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.meta-instance-id {
    font-family: 'Courier New', monospace;
}

.instance-status {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.instance-status.state-running { color: var(--success-color); }
.instance-status.state-stopped { color: var(--danger-color); }
.instance-status.state-pending,
.instance-status.state-starting,
.instance-status.state-stopping { color: #d97706; }
.instance-status.state-error { color: var(--danger-color); }

.instance-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-action {
    border: none;
    border-radius: var(--radius-md);
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-normal);
}

.btn-action:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-start { background: linear-gradient(135deg, var(--success-color), #059669); }
.btn-stop { background: linear-gradient(135deg, var(--danger-color), #dc2626); }
.btn-restart { background: linear-gradient(135deg, #d97706, #b45309); }
.btn-status { background: linear-gradient(135deg, var(--info-color), #0891b2); }

/* 데이터 없음 상태 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.empty-state i {
    font-size: 3rem;
    color: var(--border-color);
    margin-bottom: 1rem;
}

/* 토스트 메시지 */
.toast-message {
    position: fixed;
    top: 2rem;
    right: 2rem;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    z-index: 10000;
    opacity: 0;
    transform: translateY(-1rem);
    transition: var(--transition-normal);
    max-width: 400px;
}

.toast-message.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-success { border-left: 4px solid var(--success-color); }
.toast-success i { color: var(--success-color); }
.toast-error { border-left: 4px solid var(--danger-color); }
.toast-error i { color: var(--danger-color); }
.toast-loading { border-left: 4px solid var(--info-color); }
.toast-loading i { color: var(--info-color); }

@media (max-width: 768px) {
    .instance-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .instance-actions {
        width: 100%;
    }

    .btn-action {
        flex: 1;
        justify-content: center;
    }

    .toast-message {
        right: 1rem;
        left: 1rem;
        max-width: none;
    }
}