/* ==========================================================================
   Agivator — Definitive Site Styles
   ========================================================================== */
:root {
    --agv-bg: #ffffff;
    --agv-sidebar-bg: #f9f9f9;
    --agv-panel: #f0f0f2;
    --agv-border: #e5e7eb;
    --agv-hover: #ececf1;
    --agv-accent: #6366f1;
    --agv-accent-hover: #4f46e5;
    --agv-accent-dim: #eef2ff;
    --agv-text: #1a1a1a;
    --agv-text-dim: #4a4a4a;
    --agv-text-muted: #8e8ea0;
    --agv-danger: #ef4444;
    --agv-sidebar-w: 260px;
    --agv-header-h: 56px;
    --agv-footer-h: 32px;
}

/* This class handles manual Dark Mode */
.dark-theme {
    --agv-bg: #0d0d0d;
    --agv-sidebar-bg: #171717;
    --agv-panel: #212121;
    --agv-border: #2d2d2d;
    --agv-hover: #2a2a2a;
    --agv-text: #ececec;
    --agv-text-dim: #b4b4b4;
    --agv-text-muted: #7d7d7d;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    background: var(--agv-bg);
    color: var(--agv-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    overflow: hidden;
}

/* --- Layout --- */
.agv-app {
    display: grid;
    grid-template-rows: var(--agv-header-h) 1fr var(--agv-footer-h);
    height: 100vh;
}

.agv-body {
    display: flex;
    min-height: 0;
    position: relative;
}

/* --- Header --- */
.agv-header {
    background: var(--agv-sidebar-bg);
    border-bottom: 1px solid var(--agv-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
    height: var(--agv-header-h);
}

.agv-header-left, .agv-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.agv-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.agv-brand-name {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
}

/* Header Buttons (No borders) */
.agv-icon-btn {
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--agv-text-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

    .agv-icon-btn:hover {
        background: var(--agv-hover);
    }

/* --- Sidebar Toggle (The bordered one) --- */
#sidebar-toggle {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 110;
    width: 32px;
    height: 32px;
    background: var(--agv-bg);
    border: 1px solid var(--agv-border);
    border-radius: 6px;
    color: var(--agv-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.is-collapsed #sidebar-toggle svg {
    transform: rotate(180deg);
}

/* --- Sidebar --- */
.agv-sidebar {
    width: var(--agv-sidebar-w);
    background: var(--agv-sidebar-bg);
    border-right: 1px solid var(--agv-border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.is-collapsed .agv-sidebar {
    margin-left: calc(var(--agv-sidebar-w) * -1);
}

.agv-sidebar-header {
    height: 56px;
    display: flex;
    align-items: center;
    padding: 0 16px 0 52px;
}

.agv-sidebar-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--agv-text-muted);
}

.agv-sidebar-actions {
    padding: 12px;
}

.agv-new-chat-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px;
    background: var(--agv-accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
}

.agv-history-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 8px;
}

.agv-chat-item, .agv-folder-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    margin: 2px 0;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--agv-text-dim);
}

    .agv-chat-item:hover, .agv-folder-header:hover {
        background: var(--agv-hover);
    }

    .agv-chat-item.is-active {
        background: var(--agv-accent-dim);
        color: var(--agv-text);
    }

.agv-chat-title, .agv-folder-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.agv-sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--agv-border);
    display: flex;
    align-items: center;
}

/* --- Chat Area --- */
.agv-chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--agv-bg);
}

.agv-chat-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 60px 24px 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.agv-bubble {
    max-width: 85%;
    padding: 12px 16px;
    border-radius: 12px;
    line-height: 1.6;
}

    .agv-bubble.agv-user {
        background: var(--agv-accent);
        color: white;
        align-self: flex-end;
    }

    .agv-bubble.agv-assistant {
        background: var(--agv-panel);
        color: var(--agv-text);
        align-self: flex-start;
        border: 1px solid var(--agv-border);
    }

.agv-chat-input-area {
    padding: 24px;
    display: flex;
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.agv-chat-input {
    flex: 1;
    padding: 12px 16px;
    background: var(--agv-panel);
    border: 1px solid var(--agv-border);
    border-radius: 12px;
    color: var(--agv-text);
    outline: none;
}

.agv-send-btn {
    width: 44px;
    height: 44px;
    background: var(--agv-accent);
    color: white;
    border: none;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* --- Modals & Context Menus --- */
.agv-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(2px);
}

.agv-modal {
    background: var(--agv-bg);
    padding: 24px;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 25px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--agv-border);
}

.agv-modal-input {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--agv-border);
    background: var(--agv-panel);
    color: var(--agv-text);
    box-sizing: border-box;
    margin-top: 10px;
}

.agv-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 20px;
}

.agv-btn {
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
}

.agv-btn-primary {
    background: var(--agv-accent);
    color: white;
}

.agv-btn-secondary {
    background: var(--agv-panel);
    color: var(--agv-text);
}

.agv-context-menu {
    position: fixed;
    display: none;
    background: var(--agv-bg);
    border: 1px solid var(--agv-border);
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    padding: 4px;
    z-index: 1500;
    min-width: 180px;
}

    .agv-context-menu.is-open {
        display: block;
    }

    .agv-context-menu button {
        display: flex;
        align-items: center;
        gap: 10px;
        width: 100%;
        padding: 8px 12px;
        background: transparent;
        border: none;
        color: var(--agv-text);
        font-size: 0.85rem;
        border-radius: 4px;
        cursor: pointer;
    }

        .agv-context-menu button:hover {
            background: var(--agv-hover);
        }

/* --- App Footer --- */
.agv-footer {
    padding: 0 16px;
    font-size: 0.75rem;
    color: var(--agv-text-muted);
    border-top: 1px solid var(--agv-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--agv-sidebar-bg);
    height: var(--agv-footer-h);
}

.agv-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--agv-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    font-weight: 600;
    cursor: pointer;
}

.agv-dropdown-panel {
    position: absolute;
    right: 0;
    top: calc(100% + 4px);
    background: var(--agv-bg);
    border: 1px solid var(--agv-border);
    border-radius: 8px;
    padding: 6px;
    display: none;
    min-width: 180px;
    box-shadow: 0 10px 15px rgba(0,0,0,0.1);
    z-index: 1000;
}

    .agv-dropdown-panel.is-open {
        display: block;
    }

    .agv-dropdown-panel a, .agv-dropdown-panel button {
        display: flex;
        align-items: center;
        gap: 10px;
        width: 100%;
        padding: 8px 12px;
        color: var(--agv-text);
        text-decoration: none;
        font-size: 0.875rem;
        border-radius: 6px;
        background: transparent;
        border: none;
        cursor: pointer;
    }

.agv-dropdown {
    position: relative;
}
        .agv-dropdown-panel a:hover {
            background: var(--agv-hover);
        }