/* ---------------------------------------------------------------------------
   Claude Hub — Styles
   --------------------------------------------------------------------------- */

:root {
    --sidebar-width: 260px;
    --header-height: 48px;
    --bg-primary: #1a1b26;
    --bg-secondary: #24283b;
    --bg-tertiary: #1f2335;
    --text-primary: #a9b1d6;
    --text-secondary: #565f89;
    --text-bright: #c0caf5;
    --accent: #7aa2f7;
    --accent-hover: #89b4fa;
    --danger: #f7768e;
    --success: #9ece6a;
    --warning: #e0af68;
    --border: #292e42;
    --radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

.hidden { display: none !important; }

/* ---------------------------------------------------------------------------
   Login Screen
   --------------------------------------------------------------------------- */

.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: var(--bg-primary);
}

.login-box {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--border);
    width: 100%;
    max-width: 360px;
    text-align: center;
}

.login-box h1 {
    color: var(--text-bright);
    font-size: 24px;
    margin-bottom: 4px;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.login-box input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-bright);
    font-size: 16px;
    outline: none;
    margin-bottom: 12px;
}

.login-box input:focus {
    border-color: var(--accent);
}

.login-box button {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.login-box button:hover {
    background: var(--accent-hover);
}

.login-error {
    color: var(--danger);
    font-size: 14px;
    margin-top: 8px;
    min-height: 20px;
}

/* ---------------------------------------------------------------------------
   App Layout
   --------------------------------------------------------------------------- */

.app {
    display: grid;
    grid-template-rows: var(--header-height) 1fr;
    grid-template-columns: var(--sidebar-width) 1fr;
    height: 100vh;
}

/* Header */
.header {
    grid-column: 1 / -1;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 12px;
}

.menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 4px;
}

.header-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-bright);
}

.header-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.session-count {
    font-size: 12px;
    color: var(--text-secondary);
}

.btn-small {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-small:hover {
    background: var(--border);
}

/* Sidebar */
.sidebar {
    grid-row: 2;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.new-project-btn {
    margin: 12px;
    padding: 10px;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.project-list {
    flex: 1;
    overflow-y: auto;
}

.project-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: background 0.15s;
    gap: 8px;
}

.project-item:hover {
    background: var(--bg-tertiary);
}

.project-item.active {
    background: var(--bg-tertiary);
    border-left-color: var(--accent);
}

.project-status {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.project-status.running { background: var(--success); }
.project-status.stopped { background: var(--text-secondary); }
.project-status.starting { background: var(--warning); }

.project-info {
    flex: 1;
    min-width: 0;
}

.project-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-bright);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-dir {
    font-size: 11px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-delete {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    font-size: 16px;
    opacity: 0;
    transition: opacity 0.15s;
}

.project-item:hover .project-delete {
    opacity: 1;
}

.project-delete:hover {
    color: var(--danger);
}

/* Main Area */
.main-area {
    grid-row: 2;
    grid-column: 2;
    position: relative;
    overflow: hidden;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state h2 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 14px;
}

/* Terminal */
.terminal-container {
    width: 100%;
    height: 100%;
    padding: 4px;
}

.terminal-wrapper {
    width: 100%;
    height: 100%;
    display: none;
}

.terminal-wrapper.active {
    display: block;
}

/* ---------------------------------------------------------------------------
   Modal
   --------------------------------------------------------------------------- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal h2 {
    color: var(--text-bright);
    font-size: 18px;
    margin-bottom: 16px;
}

.modal label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
    margin-top: 12px;
}

.modal input[type="text"] {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-bright);
    font-size: 14px;
    outline: none;
}

.modal input[type="text"]:focus {
    border-color: var(--accent);
}

/* Dir picker */
.dir-picker {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-top: 4px;
    overflow: hidden;
}

.dir-breadcrumb {
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
}

.dir-breadcrumb span {
    cursor: pointer;
    color: var(--accent);
}

.dir-breadcrumb span:hover {
    text-decoration: underline;
}

.dir-list {
    max-height: 200px;
    overflow-y: auto;
}

.dir-item {
    padding: 6px 12px;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
}

.dir-item:hover {
    background: var(--bg-secondary);
}

.dir-path-input {
    border-top: 1px solid var(--border) !important;
    border: none !important;
    border-radius: 0 !important;
    margin: 0 !important;
}

/* Modal actions */
.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 20px;
}

.btn-primary {
    padding: 10px 20px;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

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

.btn-secondary {
    padding: 10px 20px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--border);
}

.modal-error {
    color: var(--danger);
    font-size: 13px;
    margin-top: 8px;
    min-height: 18px;
}

/* ---------------------------------------------------------------------------
   Keyboard Bar (mobile)
   --------------------------------------------------------------------------- */

.keyboard-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    padding: 4px;
    gap: 4px;
    z-index: 50;
}

.keyboard-bar button {
    flex: 1;
    padding: 8px 4px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    min-height: 36px;
}

.keyboard-bar button:active {
    background: var(--accent);
    color: var(--bg-primary);
}

/* Sidebar overlay (mobile) */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 90;
}

/* ---------------------------------------------------------------------------
   Responsive
   --------------------------------------------------------------------------- */

@media (max-width: 768px) {
    .app {
        grid-template-columns: 1fr;
    }

    .menu-btn {
        display: block;
    }

    .sidebar {
        position: fixed;
        left: -260px;
        top: var(--header-height);
        bottom: 0;
        width: var(--sidebar-width);
        z-index: 100;
        transition: left 0.2s ease;
    }

    .sidebar.open {
        left: 0;
    }

    .main-area {
        grid-column: 1;
    }

    .keyboard-bar {
        display: flex !important;
    }

    .terminal-container {
        padding-bottom: 44px; /* space for keyboard bar */
    }
}

@media (min-width: 769px) {
    .keyboard-bar {
        display: none !important;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}