/* css/mobile.css (Updated for seamless background and no borders) */

/* --- Base Layout --- */
body,
html {
    overflow: hidden;
    height: 100%;
    background-color: var(--bg-color);
    font-family: var(--font-sans);
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

/* --- Top Bar (Fixed Header) --- */
.top-bar {
    flex-shrink: 0;
    height: auto;
    /* Allow height to adjust for status bar */
    min-height: 60px;
    width: 100%;
    background-color: var(--elevated-bg);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    /* Add safe area padding for status bar */
    padding: env(safe-area-inset-top) 0.75rem 0 0.75rem;
    border-bottom: none;
    box-sizing: content-box;
    /* Identify that the 60px is content, or handle height manually */
}

/* Ensure the total height is at least 60px visible area + status bar */
/* Ensure the total height covers the status bar + content area */
.top-bar {
    box-sizing: border-box;
    /* Use safe-area-inset-top strictly + 2px gap, with fallback */
    padding-top: max(env(safe-area-inset-top), 45px) !important;
    padding-bottom: 0px !important;
    height: auto !important;
    /* The visible header height (60px) + the safe area */
    min-height: calc(60px + max(env(safe-area-inset-top), 45px)) !important;
    /* Ensure content remains centered in the visible bar area */
    display: flex;
    align-items: center;
}

.top-bar-action {
    position: relative;
    display: flex;
    align-items: center;
}

.top-bar-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.2s ease, color 0.2s ease;
    position: relative;
    overflow: hidden;
}

.top-bar-btn:hover {
    background-color: var(--hover-bg);
    color: var(--text-color);
}

/* Profile Photo Styling */
.profile-photo {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-color);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.profile-photo.hidden {
    display: none;
}

/* Hide default icon when photo is shown */
.profile-btn:has(.profile-photo:not(.hidden)) #profile-icon-default {
    display: none;
}

.top-bar-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    display: flex;
    flex-direction: column;
    min-width: 160px;
    padding: 0.5rem 0;
    border-radius: 12px;
    background: var(--window-bg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    z-index: 1500;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.6rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-color);
    font-size: 0.95rem;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease;
}

.dropdown-item i {
    font-size: 0.95rem;
    color: #ffffff;
}

/* Light mode - dark icons */
body:not(.dark-mode) .dropdown-item i {
    color: #1a1a1a;
}

.dropdown-item:hover,
.dropdown-item:focus-visible {
    background: var(--hover-bg);
    color: var(--text-color);
}

/* --- Sidebar Removed - Now Using Profile Dropdown --- */
/* Legacy sidebar elements hidden */
#sidebar-container,
#sidebar-overlay {
    display: none;
}

/* --- Main Content (The Scrollable Area) --- */
.main-content {
    flex: 1;
    overflow-y: auto;
    background-color: var(--elevated-bg);
    /* Smooth scroll anchoring */
    overflow-anchor: auto;
}

/* --- Chat Messages Container --- */
.chat-messages {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 1rem 1rem;
    gap: 1rem;
    align-items: flex-start;
}

/* --- Bottom UI Area (Fixed Footer) --- */
#bottom-ui-container {
    flex-shrink: 0;
    width: 100%;
    z-index: 100;
    background-color: var(--elevated-bg);
    border-top: none;
    /* THIS IS THE CRITICAL ANCHOR FOR THE POPUP MENU */
    position: relative;
}

/* --- Floating Input --- */
.floating-input-wrapper {
    padding: 0 0.5rem;
    /* Remove gap: Fallback to 0px, respect safe area if present */
    padding-bottom: env(safe-area-inset-bottom, 0px) !important;
    transition: padding 0.3s ease;
}

/* Mobile-specific input container styling */
@media (max-width: 768px) {
    .floating-input-container {
        position: relative !important;
        bottom: auto !important;
        left: auto !important;
        transform: none !important;
        width: 100% !important;
        max-width: none !important;
        display: flex;
        flex-direction: column;
        background-color: transparent;
        border-radius: 0;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        margin: 0;
        padding: 0;
    }

    .floating-input-container.welcome-mode,
    .floating-input-container.chat-mode,
    .floating-input-container.centered {
        position: relative !important;
        bottom: auto !important;
        left: auto !important;
        transform: none !important;
        width: 100% !important;
        max-width: none !important;
    }
}

.input-action-menu {
    position: absolute;
    bottom: calc(100% + 10px);
    left: 8px;
    min-width: 190px;
    padding: 0.4rem 0;
    border-radius: 12px;
    background: var(--window-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    z-index: 1400;
    display: flex;
    flex-direction: column;
}

.input-action-menu::before {
    content: '';
    position: absolute;
    top: 100%;
    left: 18px;
    width: 12px;
    height: 12px;
    background: var(--window-bg);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transform: rotate(45deg);
    z-index: -1;
}

.floating-input-container .input-action-menu.hidden {
    display: none;
}

.input-field {
    position: relative;
}

.input-action-menu-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.9rem;
    border: none;
    background: transparent;
    color: var(--text-color);
    font-size: 0.92rem;
    cursor: pointer;
    transition: background 0.18s ease;
}

.input-action-menu-item i {
    font-size: 0.95rem;
    width: 18px;
    text-align: center;
    color: #ffffff;
}

/* Light mode - dark icons */
body:not(.dark-mode) .input-action-menu-item i {
    color: #1a1a1a;
}

.input-action-menu-item:hover,
.input-action-menu-item:focus-visible {
    background: var(--hover-bg);
}

.input-action-menu-item.active {
    background: var(--hover-bg);
    color: var(--accent-color);
}

@media (max-width: 768px) {
    .floating-input {
        flex: 1;
        min-height: 40px;
        max-height: 200px;
        border-radius: 20px;
        background-color: transparent;
        border: none;
        padding: 10px 14px;
        font-size: 1rem;
        color: var(--text-color);
        resize: none;
        line-height: 1.5;
        transition: none;
        will-change: height;
    }

    .floating-input::placeholder {
        color: rgba(255, 255, 255, 0.4);
    }

    /* Ensure input field has proper structure on mobile */
    .input-field {
        display: flex;
        align-items: flex-end;
        gap: 6px;
        padding: 4px;
        margin: 0;
        border-radius: 26px;
        background: transparent;
        border: none;
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        box-shadow: none;
        min-height: 52px;
        width: 100%;
        contain: layout;
    }

    /* Buttons should be visible and properly sized */
    .input-action-btn.circular-btn {
        width: 44px;
        height: 44px;
        min-width: 44px;
        min-height: 44px;
        border-radius: 50%;
        border: none;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        cursor: pointer;
        transition: background-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
        flex-shrink: 0;
        margin-bottom: 0;
        overflow: hidden;
    }

    #attach-file-btn {
        background-color: transparent;
        border: none;
        color: rgba(255, 255, 255, 0.6);
    }

    #attach-file-btn:hover,
    #attach-file-btn:active {
        background-color: rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 0.9);
    }

    #send-message {
        background: #ffffff;
        color: #1a1a1a;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    #send-message:hover,
    #send-message:active {
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
        background: #f5f5f5;
    }

    #send-message:active {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
        background: #e8e8e8;
    }

    /* Light mode - dark button with white icon */
    body:not(.dark-mode) #send-message {
        background: #1a1a1a;
        color: #ffffff;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    body:not(.dark-mode) #send-message:hover,
    body:not(.dark-mode) #send-message:active {
        background: #2e2e2e;
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
    }

    body:not(.dark-mode) #send-message:active {
        background: #3a3a3a;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }
}

/* --- Mobile Attachment Strip --- */
@media (max-width: 768px) {
    .attachment-strip {
        border-radius: 26px 26px 0 0;
        padding: 12px;
        overflow: hidden;
        position: relative;
    }

    .attachment-strip:not(.hidden) {
        padding: 12px;
    }

    .attachment-strip.hidden {
        padding: 0 12px;
    }

    .input-field.with-attachments {
        border-radius: 0 0 26px 26px;
    }

    /* Ensure scroll container works on mobile */
    .attachments-scroll {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-x;
        scroll-behavior: smooth;
        width: 100%;
        position: relative;
    }

    /* Ensure file chips don't shrink */
    .file-preview-chip {
        flex-shrink: 0;
        min-width: 120px;
        max-width: 120px;
    }
}

/* --- File Previews --- */
#file-previews-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 8px 8px 8px;
    max-height: 150px;
    overflow-y: auto;
}

.file-preview-item {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 8px;
    background-color: var(--elevated-bg);
    padding: 8px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    font-size: 0.9rem;
    animation: fadeIn 0.3s ease;
}

.file-preview-item .file-name {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text-secondary);
}

.file-preview-item .file-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.file-preview-item .preview-file-btn,
.file-preview-item .remove-file-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    padding: 4px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.file-preview-item .preview-file-btn:hover {
    background-color: var(--hover-bg);
    color: var(--accent-color);
}

.file-preview-item .remove-file-btn {
    font-size: 1.5rem;
}

.file-preview-item .remove-file-btn:hover {
    background-color: var(--hover-bg);
    color: var(--error-500);
}

.file-preview-item .file-status {
    width: 20px;
    text-align: center;
}

.file-preview-item .file-status .success-icon {
    color: var(--success-500);
}

.file-preview-item .file-status .error-icon {
    color: var(--error-500);
}

/* --- Mobile Message Styling Fixes --- */
@media (max-width: 768px) {

    /* Increase user message width on mobile */
    .message {
        max-width: 95%;
        word-break: normal !important;
        overflow-wrap: anywhere;
    }

    /* User messages should use more space and not break prematurely */
    .user-message {
        max-width: 95%;
        word-break: normal !important;
        white-space: pre-wrap;
        min-width: fit-content;
    }

    /* Better word wrapping for user messages */
    .user-message-text {
        word-break: normal !important;
        overflow-wrap: anywhere;
        white-space: pre-wrap;
        display: inline-block;
        max-width: 100%;
    }

    /* Ensure user message container uses available space */
    .user-message-container {
        max-width: 95%;
        width: fit-content;
        min-width: 0;
    }

    /* User message wrapper should allow full width */
    .user-message-wrapper {
        max-width: 95%;
        width: fit-content;
        align-self: flex-end;
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        gap: 6px;
    }

    /* Context button mobile optimization */
    .user-message-context-button {
        font-size: 0.7rem;
        padding: 5px 10px;
        border-radius: 14px;
        -webkit-tap-highlight-color: transparent;
    }

    .user-message-context-button:active {
        transform: scale(0.94);
        color: #f59e0b;
    }

    .dark-mode .user-message-context-button:active {
        color: #fbbf24;
    }
}

/* --- File Preview Modal --- */
#file-preview-modal {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.preview-modal-content {
    position: relative;
    background-color: var(--elevated-bg);
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
    padding: 1rem;
    max-width: 90vw;
    max-height: 90vh;
}

.close-preview-btn {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background-color: white;
    color: black;
    font-size: 1.5rem;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

#preview-content-area {
    display: flex;
    align-items: center;
    justify-content: center;
}

#preview-content-area img,
#preview-content-area video {
    max-width: 85vw;
    max-height: 80vh;
    border-radius: 0.5rem;
    object-fit: contain;
}

#preview-content-area audio {
    width: 100%;
    min-width: 300px;
}

/* --- Animations --- */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Voice Input Button Mobile Styles --- */
@media (max-width: 768px) {
    .voice-input-btn {
        background-color: transparent;
        border: none;
        color: rgba(255, 255, 255, 0.6);
        -webkit-tap-highlight-color: transparent;
        order: 2;
        /* Ensure proper order: plus(0), textarea(1), mic(2), send(3) */
    }

    .voice-input-btn:hover,
    .voice-input-btn:active {
        background-color: rgba(255, 255, 255, 0.1);
        color: rgba(255, 255, 255, 0.9);
    }

    /* Light mode voice button mobile */
    body:not(.dark-mode) .voice-input-btn {
        color: rgba(26, 26, 26, 0.6);
    }

    body:not(.dark-mode) .voice-input-btn:hover,
    body:not(.dark-mode) .voice-input-btn:active {
        background-color: rgba(26, 26, 26, 0.1);
        color: rgba(26, 26, 26, 0.9);
    }

    /* Voice button listening state mobile */
    .voice-input-btn.listening {
        background-color: var(--accent-color);
        color: var(--bg-color);
    }

    .voice-input-btn.listening:active {
        background-color: var(--accent-hover);
        transform: scale(0.95);
    }

    /* Waveform mobile optimization */
    .voice-input-btn.listening .waveform-container {
        height: 18px;
        width: 18px;
        gap: 1.5px;
    }

    .waveform-bar {
        width: 2px;
    }

    /* Ensure proper flex order for input field elements */
    .input-field #attach-file-btn {
        order: 0;
    }

    .input-field .floating-input {
        order: 1;
    }

    .input-field #voice-input-btn {
        order: 2;
    }

    .input-field #send-message {
        order: 3;
    }
}