/* ===================================
    Security Desk - Base Styles
    공통 스타일 및 CSS 변수 정의
    =================================== */

/* Tools Button in Nav */
.btn-tools {
    padding: 8px 16px;
    border-radius: 6px;
    background: rgba(56, 189, 248, 0.1);
    border: 1px solid var(--primary);
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-tools:hover {
    background: var(--primary);
    color: var(--bg-body);
}

/* Tools Panel (Overlay) */
.tools-panel {
    position: fixed;
    top: 0;
    right: -420px;
    width: 420px;
    height: 100vh;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.tools-panel.open {
    right: 0;
}

.tools-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    background: #0F172A;
}

.tools-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: white;
}

.tools-close {
    background: none;
    border: none;
    color: var(--text-sub);
    font-size: 1.8rem;
    cursor: pointer;
    transition: color 0.2s;
    line-height: 1;
}

.tools-close:hover {
    color: var(--primary);
}

.tools-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* Tools Navigation */
.tools-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}

.tool-tab {
    padding: 10px;
    background: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-sub);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.tool-tab:hover {
    border-color: var(--primary);
    color: var(--text-main);
}

.tool-tab.active {
    background: var(--primary);
    color: var(--bg-body);
    border-color: var(--primary);
}

/* Tool Content */
.tool-content {
    display: none;
}

.tool-content.active {
    display: block;
}

.tool-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
}

.tool-action {
    flex: 1;
    padding: 10px;
    background: var(--bg-body);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-sub);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.tool-action:hover {
    border-color: var(--primary);
}

.tool-action.active {
    background: rgba(56, 189, 248, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

.tool-input,
.tool-output {
    width: 100%;
    min-height: 120px;
    padding: 12px;
    background: #0F172A;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: white;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.9rem;
    resize: vertical;
    box-sizing: border-box;
}

.tool-input:focus {
    outline: none;
    border-color: var(--primary);
}

.tool-output {
    background: var(--bg-body);
    color: var(--text-sub);
}

.tool-hint {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin: 0 0 10px 0;
    line-height: 1.6;
}

.tool-submit {
    width: 100%;
    padding: 12px;
    margin: 15px 0;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    color: var(--bg-body);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s;
}

.tool-submit:hover {
    transform: scale(1.02);
}

/* Overlay when tools panel is open */
.tools-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

.tools-overlay.active {
    display: block;
}

/* CSS Variables */
:root {
    --bg-body: #0B1120;       /* 더 깊은 블랙 */
    --bg-card: #161F32;       /* 카드 배경 */
    --text-main: #E2E8F0;     /* 주 텍스트 (밝은 회색) */
    --text-sub: #94A3B8;      /* 부 텍스트 */
    --primary: #38BDF8;       /* 시큐리티 블루 */
    --accent: #22D3EE;        /* 사이안 (Cyan) */
    --border: #334155;        /* 테두리 */
    --gradient: linear-gradient(135deg, #38BDF8 0%, #3B82F6 100%);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

/* ===================================
   Global Navigation
   =================================== */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 17, 32, 0.8);
}

.brand {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.brand span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 24px;
    font-size: 0.95rem;
    color: var(--text-sub);
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-auth {
    display: flex;
    gap: 12px;
}

.btn-login,
.btn-logout,
.btn-mydesk,
.btn-profile {
    padding: 8px 20px;
    border-radius: 6px;
    background: var(--border);
    font-size: 0.9rem;
    font-weight: 600;
    transition: 0.2s;
}

.btn-login:hover,
.btn-logout:hover,
.btn-profile:hover {
    background: var(--text-main);
    color: var(--bg-body);
}

.btn-mydesk {
    background: var(--primary);
    color: var(--bg-body);
}

.btn-mydesk:hover {
    background: var(--accent);
}

/* ===================================
   Footer
   =================================== */
footer {
    background: #0F172A;
    border-top: 1px solid var(--border);
    padding: 40px 5%;
    margin-top: 80px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    flex: 1;
}

.footer-brand .brand {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.footer-brand p {
    color: var(--text-sub);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-sub);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary);
}

.footer-copyright {
    width: 100%;
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-sub);
    font-size: 0.85rem;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 15px;
        padding: 15px 5%;
    }

    .nav-links {
        gap: 15px;
        font-size: 0.85rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        justify-content: center;
    }
}