@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;700&display=swap');

:root {
    --bg-color: #18191a;
    --sidebar-bg: #242526;
    --topbar-bg: #242526;
    --text-color: #e4e6eb;
    --text-secondary: #b0b3b8;
    --border-color: #3a3b3c;
    --accent-color: #2d88ff;
    --accent-hover: #4b9aff;
    --green-color: #42b72a;
    --green-hover: #36a420;
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
}

.app-layout {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* --- Top Bar --- */
.top-bar {
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 60px;
    background-color: var(--topbar-bg);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.top-bar h1 {
    font-size: 1.5em;
    margin: 0;
    line-height: 1.2;
}

.title-group {
    display: flex;
    align-items: center;
}

.logo {
    width: 32px;
    height: 32px;
    margin-right: 12px;
}

.slogan {
    font-size: 0.8em;
    color: var(--text-secondary);
}

.subtitle-line {
    display: flex;
    align-items: center;
    margin-left: 12px;
}

.visit-counter {
    font-size: 0.8em;
    color: var(--text-secondary);
    margin-left: 16px;
    padding: 4px 8px;
    background-color: var(--bg-color);
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.download-btn {
    margin-left: auto; /* Push to the far right */
    padding: 10px 20px;
    font-size: 1em;
    font-weight: bold;
    background-color: var(--green-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.download-btn:hover {
    background-color: var(--green-hover);
}

.menu-toggle-btn {
    display: none; /* Hidden by default */
    font-size: 1.8em;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
}

/* --- Main Workspace --- */
.main-workspace {
    display: flex;
    flex-grow: 1;
    overflow: hidden;
}

/* --- Sidebar --- */
.sidebar {
    width: 300px;
    background-color: var(--sidebar-bg);
    padding: 20px;
    overflow-y: auto;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
}

.sidebar h2 {
    font-size: 1.2em;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.tool-group {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.tool-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.tool-group-title {
    font-size: 1em;
    font-weight: bold;
    color: var(--text-color);
    margin-bottom: 15px;
}

.control-group {
    margin-bottom: 20px;
}

.control-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9em;
}

.control-group input,
.control-group textarea,
.control-group select,
.control-group button {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: #3a3b3c;
    color: var(--text-color);
    font-size: 1em;
}

.control-group textarea {
    resize: vertical;
    min-height: 80px;
}

.control-group input[type="color"] {
    padding: 2px;
    height: 40px;
}

.control-group button {
    background-color: var(--accent-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

.control-group button:hover {
    background-color: var(--accent-hover);
}

.align-controls {
    display: flex;
    gap: 10px;
}

.align-btn {
    flex: 1;
}

.align-btn.active {
    background-color: var(--green-color);
}

#font-size-value {
    display: inline-block;
    margin-left: 10px;
    font-weight: normal;
    color: var(--text-secondary);
}

/* --- Canvas Area --- */
.canvas-area {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow: auto;
    position: relative; /* Add position relative for child absolute positioning */
}

.wallpaper-preview {
    width: auto;
    height: 90%; /* Use percentage to fit inside the container */
    max-width: 100%;
    aspect-ratio: 9 / 16;
    background-color: #000; /* Fallback color */
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    position: relative;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

.background-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/wallpaper.jpeg');
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1; /* Below the text */
    pointer-events: none; /* Make it non-interactive */
}

.motto-text {
    font-size: 36px;
    color: #FFFFFF;
    text-align: center;
    padding: 20px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    position: absolute;
    z-index: 2; /* Ensure text is above the overlay */
    width: fit-content; /* Let content define width */
    max-width: 90%; /* Prevent overflow */
    white-space: pre-wrap; /* Allow wrapping and preserve line breaks */
    cursor: pointer;
    border: 2px dashed transparent; /* For active state */
    transition: border-color 0.2s;
    box-sizing: border-box; /* --- FIX: Ensure border is inside the element's dimensions --- */
}

.motto-text.vertical {
    /* Use flexbox for multi-column vertical text */
    display: flex;
    flex-direction: row-reverse; /* Arrange columns from right to left */
    justify-content: center;
    align-items: flex-start;
    width: fit-content; /* Let content determine width */
    padding: 20px 15px;
}

.vertical-line {
    display: flex;
    flex-direction: column;
    margin: 0 0.2em; /* Spacing between vertical lines */
    line-height: 1.2;
}

.motto-text.active {
    border-color: var(--accent-color);
}

/* --- Crosshairs --- */
.crosshair {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.5);
    pointer-events: none; /* Make them non-interactive */
    z-index: 10; /* Above the preview but below mottos if needed */
}

.crosshair-h {
    top: 50%;
    left: 0;
    width: 100%;
    height: 1px;
    border-top: 1px dashed rgba(255, 255, 255, 0.7);
    transform: translateY(-50%);
}

.crosshair-v {
    left: 50%;
    top: 0;
    height: 100%;
    width: 1px;
    border-left: 1px dashed rgba(255, 255, 255, 0.7);
    transform: translateX(-50%);
}

.crosshair.hidden {
    display: none;
}

/* --- Motto Manager --- */
.motto-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

#add-motto-btn {
    width: 30px;
    height: 30px;
    padding: 0;
    font-size: 1.5em;
    line-height: 1;
    text-align: center;
}

.motto-list {
    max-height: 150px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 5px;
}

.motto-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    border-radius: 4px;
    cursor: pointer;
    margin-bottom: 5px;
    background-color: #3a3b3c;
}

.motto-item.active {
    background-color: var(--accent-color);
}

.motto-item-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
    margin-right: 10px;
}

.delete-motto-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2em;
    padding: 0 5px;
}

.delete-motto-btn:hover {
    color: #ff4d4d;
}

/* --- Spinner Animation --- */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* --- Donation Modal --- */
.donate-card {
    background-color: var(--sidebar-bg);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 400px;
    padding: 24px;
    border: 1px solid var(--border-color);
}

.donate-card .modal-header {
    padding: 0 0 16px 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.donate-card .modal-header h2 {
    font-size: 1.3em;
}

.donation-body {
    text-align: center;
}

.donation-body p {
    margin-bottom: 20px;
    font-size: 1em;
    color: var(--text-secondary);
    line-height: 1.6;
}

.qr-codes {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 24px;
}

.qr-code {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.qr-code img {
    width: 140px;
    height: 140px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    object-fit: contain;
}

.qr-code span {
    margin-top: 12px;
    font-weight: bold;
    font-size: 0.9em;
}


/* --- Unsplash Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background-color: var(--sidebar-bg);
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 800px;
    height: 90vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.2em;
}

.close-btn {
    background: none;
    border: none;
    font-size: 2em;
    color: var(--text-secondary);
    cursor: pointer;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
}

.unsplash-search {
    display: flex;
    margin-bottom: 15px;
    background-color: #3a3b3c;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    overflow: hidden; /* Ensures child elements conform to the rounded corners */
}

.unsplash-search select,
.unsplash-search input,
.unsplash-search button {
    background-color: transparent;
    border: none;
    padding: 10px;
    color: var(--text-color);
    font-size: 1em;
}

.unsplash-search select {
    background-color: #4d4e4f;
    border-right: 1px solid var(--border-color);
}

.unsplash-search input {
    flex-grow: 1;
    padding-left: 15px;
}

.unsplash-search input:focus {
    outline: none;
}

.unsplash-search button {
    width: 80px;
    background-color: var(--accent-color);
    cursor: pointer;
    transition: background-color 0.2s;
}

.unsplash-search button:hover {
    background-color: var(--accent-hover);
}

.unsplash-results {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 15px;
}

.load-more-btn {
    width: 100%;
    padding: 12px;
    font-size: 1em;
    background-color: #3a3b3c;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.load-more-btn:hover {
    background-color: #4d4e4f;
}

.unsplash-thumb-container {
    position: relative;
    width: 100%;
    /* aspect-ratio will be set dynamically by JS */
    background-color: #111; /* Dark background for letterboxing */
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 2px solid transparent;
}

.unsplash-thumb {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Show the whole image */
}

.unsplash-resolution {
    position: absolute;
    bottom: 5px;
    right: 5px;
    background-color: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.75em;
    font-weight: bold;
}

.unsplash-thumb-container:hover {
    transform: scale(1.03);
    box-shadow: 0 0 10px rgba(45, 136, 255, 0.5);
    border-color: var(--accent-color);
}

.drawer-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 199; /* Below the sidebar */
}

/* --- Mobile UI: Bottom Tab Bar and Panels --- */
.bottom-tab-bar,
.panel-container {
    display: none; /* Hidden on desktop by default */
}


/* --- Mobile Responsive --- */
@media (max-width: 768px) {
    .sidebar {
        /* Instead of hiding, move it off-screen so JS can still access it for cloning */
        position: absolute;
        left: -9999px;
    }

    .top-bar {
        padding: 0 15px;
    }

    .title-group {
        display: flex;
        align-items: center;
        flex-grow: 1; /* Allow it to take available space */
        overflow: hidden; /* Prevent overflow */
    }

    .logo {
        width: 28px;
        height: 28px;
        margin-right: 8px;
        flex-shrink: 0;
    }

    .top-bar h1 {
        font-size: 1.2em;
        white-space: nowrap; /* Prevent title from wrapping */
    }

    .slogan {
        font-size: 0.7em;
    }

    .subtitle-line {
        margin-left: 8px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .visit-counter {
        display: none; /* Hide visitor counter on mobile */
    }

    .download-btn {
        padding: 8px 12px;
        font-size: 0.9em;
    }

    .main-workspace {
        padding-bottom: 60px; /* Space for the bottom tab bar */
    }

    .canvas-area {
        padding: 10px;
    }

    .bottom-tab-bar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 60px;
        background-color: var(--topbar-bg);
        border-top: 1px solid var(--border-color);
        z-index: 100;
    }

    .tab-btn {
        flex: 1;
        background: none;
        border: none;
        color: var(--text-secondary);
        font-size: 1em;
        cursor: pointer;
        transition: background-color 0.2s, color 0.2s;
    }

    .tab-btn.active {
        color: var(--accent-color);
        background-color: rgba(45, 136, 255, 0.1);
    }

    .panel-container {
        display: block;
        position: fixed;
        bottom: 60px; /* Position above the tab bar */
        left: 0;
        width: 100%;
        z-index: 99;
        transform: translateY(100%);
        transition: transform 0.3s ease-in-out;
    }

    .panel-container.open {
        transform: translateY(0);
    }

    .panel {
        background-color: var(--sidebar-bg);
        border-top: 1px solid var(--border-color);
        max-height: 50vh; /* Limit panel height */
        display: none; /* Hide panels by default */
        flex-direction: column;
    }

    .panel.active {
        display: flex; /* Show active panel */
    }

    .panel-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 15px;
        border-bottom: 1px solid var(--border-color);
        flex-shrink: 0;
    }

    .panel-header h3 {
        font-size: 1.1em;
    }

    .close-panel-btn {
        font-size: 1.5em;
        background: none;
        border: none;
        color: var(--text-secondary);
        cursor: pointer;
    }

    .panel-content {
        padding: 15px;
        overflow-y: auto;
    }

    .desktop-resolutions {
        display: none;
    }
}