/* --- VARIABLES & BASE --- */
:root {
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --accent-color: #0d6efd;
    --danger-color: #dc3545;
    --bg-color: #000;
    --sidebar-bg: #101010;
    --card-bg: rgba(36, 36, 38, 0.7);
    --border-color: rgba(255, 255, 255, 0.12);
    --text-primary: #f5f5f7;
    --text-secondary: #909096;
    --modal-bg: #1c1c1e;
}

*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    margin: 0;
    overflow-x: hidden;
}

#main-view {
    background-image:
        radial-gradient(at 27% 37%, hsla(215, 98%, 61%, 0.15) 0px, transparent 50%),
        radial-gradient(at 97% 21%, hsla(125, 98%, 72%, 0.1) 0px, transparent 50%),
        radial-gradient(at 52% 99%, hsla(355, 98%, 61%, 0.1) 0px, transparent 50%);
}

.view-container { min-height: 100vh; width: 100%; }
.hidden { display: none !important; }

/* --- LOGIN VIEW --- */
#login-view { display: flex; justify-content: center; align-items: center; text-align: center; }
.login-box { padding: 2rem; }
.login-box h1 { font-size: 2rem; font-weight: 600; }
.login-box p { color: var(--text-secondary); margin: 0.5rem 0 2.5rem 0; }
#login-form { display: flex; flex-direction: column; gap: 1rem; max-width: 320px; margin: 0 auto; }
#login-form input { background: var(--sidebar-bg); border: 1px solid var(--border-color); border-radius: 10px; padding: 14px; font-size: 1rem; color: var(--text-primary); }
#login-form button { background: var(--accent-color); color: white; border: none; border-radius: 10px; padding: 14px; font-size: 1rem; font-weight: 600; cursor: pointer; }
.error-message { color: #ff453a; font-size: 0.875rem; min-height: 1.25rem; }

/* --- MAIN LAYOUT --- */
#main-view { display: grid; grid-template-rows: auto auto 1fr; grid-template-columns: 260px 1fr; height: 100vh; }
.mobile-header { display: none; }
#search-container { grid-column: 2 / 3; }
.sidebar { grid-row: 1 / 4; grid-column: 1 / 2; }
.content-area { grid-column: 2 / 3; overflow-y: auto; padding: 3rem 5rem; scroll-behavior: smooth; }

/* --- SEARCH BAR --- */
#search-container {
    padding: 4rem 5rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
}
#search-form {
    display: flex;
    align-items: center;
    position: relative;
    max-width: 680px;
    margin: 0;
    background: var(--card-bg);
    border-radius: 28px;
    border: 1px solid transparent;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    transition: border-color 0.2s ease, background-color 0.2s ease;
}
#search-form:focus-within {
    background-color: #3c3c3f;
    border-color: rgba(255, 255, 255, 0.2);
}
#search-input {
    flex-grow: 1;
    background: none;
    border: none;
    outline: none;
    padding: 14px 24px 14px 14px;
    font-size: 1rem;
    color: var(--text-primary);
    font-family: var(--font-family);
    transition: padding-left 0.2s ease;
}
#search-engines {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-left: 1rem;
    border-right: 1px solid var(--border-color);
}
.engine-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    opacity: 0.5;
    transition: opacity 0.2s ease;
}
.engine-btn:hover, .engine-btn.active {
    opacity: 1;
}
.engine-btn svg {
    display: block;
    width: 20px;
    height: 20px;
}
#search-indicator {
    display: none;
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    padding: 4px 10px;
    background-color: #333;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 16px;
    white-space: nowrap;
}
#search-indicator.visible {
    display: inline-block;
}
#search-form.prefix-active #search-engines {
    display: none;
}

/* --- SIDEBAR --- */
.sidebar { background: var(--sidebar-bg); border-right: 1px solid var(--border-color); display: flex; flex-direction: column; padding: 1.25rem; }
.sidebar-header { display: flex; align-items: center; gap: 0.75rem; padding: 0.25rem 0.25rem 1.5rem; margin-bottom: 1rem; border-bottom: 1px solid var(--border-color); }
.sidebar-header h2 { font-size: 1.25rem; font-weight: 600; margin: 0; }
.sidebar-content { flex-grow: 1; overflow-y: auto; }
.sidebar-footer { padding-top: 1.5rem; margin-top: auto; border-top: 1px solid var(--border-color); }
.sidebar-divider { border: none; height: 1px; background-color: var(--border-color); margin: 1rem 0; }
.user-info { display: flex; align-items: center; justify-content: space-between; font-size: 0.875rem; color: var(--text-secondary); }

/* --- CONTENT AREA --- */
.category-section { margin-bottom: 4.5rem; }
.category-title { font-size: 2rem; font-weight: 600; margin-bottom: 2.5rem; }
.category-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); min-height: 160px; }

/* --- BUTTONS & TOGGLES --- */
.sidebar-button { display: flex; align-items: center; gap: 0.75rem; background: transparent; border: none; border-radius: 8px; width: 100%; text-align: left; padding: 0.75rem; font-size: 1rem; font-weight: 500; color: var(--text-secondary); cursor: pointer; transition: color 0.2s ease, background-color 0.2s ease; }
.sidebar-button:hover { background-color: rgba(255,255,255,0.1); color: var(--text-primary); }
#logout-button { background: none; border: none; color: var(--text-secondary); cursor: pointer; padding: 0.5rem; border-radius: 50%; display: flex; transition: color 0.2s ease; }
#logout-button:hover { color: var(--text-primary); background-color: transparent; }
.add-category-button { width: 100%; padding: 1.5rem; margin-top: 2rem; border: 2px dashed var(--border-color); border-radius: 24px; background: transparent; color: var(--text-secondary); font-size: 1.2rem; font-weight: 500; cursor: pointer; transition: all 0.2s ease; }
.add-category-button:hover { border-color: var(--text-primary); color: var(--text-primary); }
.category-settings-btn { background: none; border: none; color: var(--text-secondary); cursor: pointer; padding: 0.5rem; display: flex; opacity: 0; transition: opacity 0.2s ease; }
.management-mode .category-nav-item:hover .category-settings-btn { opacity: 1; }
#manage-mode-buttons { display: none; flex-direction: column; }
.management-mode #manage-mode-buttons { display: flex; }
.management-mode #manage-button { display: none; }
.sidebar-setting { display: flex; align-items: center; justify-content: space-between; padding: 0.5rem 0.25rem; font-size: 0.95rem; }
.switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #333; transition: .4s; border-radius: 24px; }
.slider:before { position: absolute; content: ""; height: 18px; width: 18px; left: 3px; bottom: 3px; background-color: white; transition: .4s; border-radius: 50%; }
input:checked + .slider { background-color: var(--accent-color); }
input:checked + .slider:before { transform: translateX(20px); }

/* --- SHORTCUT & CATEGORY ITEMS --- */
.category-nav-item { display: flex; justify-content: space-between; align-items: center; border-radius: 8px; transition: background-color 0.2s ease; padding-left: 0.75rem; }
.category-nav-item:hover { background-color: rgba(255,255,255,0.1); }
.category-nav-item a { color: var(--text-secondary); text-decoration: none; padding: 0.6rem 0; flex-grow: 1; }
.shortcut-card { display: flex; flex-direction: column; align-items: center; text-decoration: none; position: relative; transition: transform 0.25s ease; }
.shortcut-card:hover { transform: translateY(-6px); }
.shortcut-icon { width: 100%; aspect-ratio: 1 / 1; background: var(--card-bg); border-radius: 24px; display: flex; align-items: center; justify-content: center; transition: background-color 0.2s ease; }
.shortcut-card:hover .shortcut-icon { background-color: rgba(255,255,255,0.15); }
.shortcut-icon img, .shortcut-icon span { width: 55%; height: 55%; object-fit: contain; border-radius: 14px; font-size: 3.5rem; line-height: 1; text-align: center; }
.shortcut-name { color: var(--text-primary); font-size: 0.9rem; line-height: 1.25em; font-weight: 500; text-align: center; width: 100%; overflow: hidden; margin-top: 0.75rem; height: 2.5em; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

/* --- MANAGEMENT MODE & DRAGGING --- */
.management-mode .category-nav-item, .management-mode .shortcut-card { cursor: grab; }
.sortable-ghost .shortcut-icon { opacity: 0.4; background: #333; }
.sortable-ghost .shortcut-name { opacity: 0; }
.sortable-drag { opacity: 1 !important; }
.edit-shortcut-btn { position: absolute; top: -4px; right: -4px; background: #333; color: white; border:2px solid var(--bg-color); border-radius: 50%; width: 28px; height: 28px; display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.2s ease, transform 0.2s ease; cursor: pointer; z-index: 2; }
.management-mode .shortcut-card:hover .edit-shortcut-btn { opacity: 1; transform: scale(1); }
.add-shortcut-card { display: flex; flex-direction: column; align-items: center; cursor: pointer; transition: transform 0.25s ease; }
.add-shortcut-card:hover { transform: translateY(-6px); }
.add-shortcut-icon { width: 100%; aspect-ratio: 1 / 1; border: 2px dashed var(--border-color); color: var(--text-secondary); border-radius: 24px; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; }
.add-shortcut-card:hover .add-shortcut-icon { background-color: var(--card-bg); color: var(--text-primary); border-color: var(--text-primary); }
.add-shortcut-icon .plus-icon { font-size: 2.5rem; font-weight: 200; }
.add-shortcut-name { color: var(--text-secondary); margin-top: 0.75rem; font-size: 0.9rem; }

/* --- MODALS --- */
.modal-container { position: fixed; inset: 0; z-index: 100; display: flex; justify-content: center; align-items: center; padding: 1rem; }
.modal-overlay { position: absolute; inset: 0; background-color: rgba(0,0,0,0.6); backdrop-filter: blur(10px); }
.modal-content { background-color: var(--modal-bg); border: 1px solid var(--border-color); border-radius: 18px; width: 100%; max-width: 420px; z-index: 101; }
.modal-header { padding: 1.25rem 1.5rem; display: flex; justify-content: space-between; align-items: center; }
.modal-header h2 { font-size: 1.25rem; font-weight: 600; margin: 0; }
.modal-close-button { background: none; border: none; font-size: 2rem; line-height: 1; color: var(--text-secondary); cursor: pointer; }
.modal-form { padding: 0 1.5rem 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.modal-form .form-group { display: flex; flex-direction: column; gap: 0.5rem;}
.modal-form label { font-size: 0.875rem; font-weight: 500; color: var(--text-secondary); }
.modal-form input[type="text"], .modal-form input[type="url"], .modal-form select { width: 100%; box-sizing: border-box; background: #2c2c2e; border: 1px solid var(--border-color); border-radius: 8px; padding: 12px; font-size: 1rem; color: var(--text-primary); }
.radio-group { display: flex; gap: 1rem; align-items: center; }
.form-actions { display: flex; gap: 1rem; justify-content: flex-end; align-items: center; margin-top: 0.5rem; }
.modal-form button { border: none; border-radius: 8px; padding: 12px 18px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: opacity 0.2s ease; }
.modal-form button:hover { opacity: 0.8; }
button.submit { background-color: var(--accent-color); color: white; }
button.danger { background: none; color: var(--danger-color); }
#add-engine-form .form-group { margin-bottom: 0.5rem; }
#engine-list-container { display: flex; flex-direction: column; gap: 0.75rem; max-height: 150px; overflow-y: auto; padding-right: 8px;}
.engine-list-item { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; }
.engine-list-item-details { flex-grow: 1; }
.engine-list-item-details strong { color: var(--text-primary); }
.engine-list-item-details span { color: var(--text-secondary); }
.engine-list-item-actions { display: flex; align-items: center; }
.engine-list-item-actions button { background: none; border: none; color: var(--text-secondary); cursor: pointer; font-size: 1.2rem; padding: 0 0.5rem; }
.engine-list-item-actions button:hover { color: var(--accent-color); }
.delete-engine-btn:hover { color: var(--danger-color); }
#add-engine-form { border-top: 1px solid var(--border-color); padding-top: 1rem; margin-top: 0.5rem; }
.input-with-button { position: relative; display: flex; align-items: center; }
.add-query-btn { position: absolute; right: 1px; top: 1px; bottom: 1px; border: none; background-color: #3c3c3e; color: var(--text-secondary); padding: 0 12px; border-radius: 7px; cursor: pointer; font-size: 0.8rem; font-weight: 500;}
.add-query-btn:hover { background-color: #4a4a4d; color: var(--text-primary); }

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 900px) {
    #main-view { grid-template-columns: 1fr; grid-template-rows: auto auto 1fr; }
    .sidebar { display: none; }
    #search-container { grid-column: 1 / 2; padding: 1.5rem; }
    .mobile-header { grid-column: 1 / 2; grid-row: 1 / 2; display: flex; justify-content: space-between; align-items: center; padding: 1rem 1.5rem; background: var(--sidebar-bg); border-bottom: 1px solid var(--border-color); }
    .mobile-header h2 { margin: 0; font-size: 1.25rem; }
    #mobile-logout-button { background: none; border: none; color: var(--text-secondary); cursor: pointer; }
    .content-area { grid-column: 1 / 2; grid-row: 3 / 4; padding: 1.5rem; }
    .category-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 1rem; }
}