/* static/style.css */

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: #0e1118;
    color: #c3c6d1;
    min-height: 100vh;
    overflow-x: hidden; 
}

/* --- App Wrapper & Layout --- */
.app-wrapper {
    display: flex; 
    width: 100%;
    min-height: 100vh;
    position: relative; 
}

.sidebar {
    width: 260px;
    background-color: #161b22; 
    padding: 25px 15px;
    display: flex;
    flex-direction: column;
    border-right: 1px solid #2a2f38; 
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh; 
    z-index: 1000; 
    overflow-y: auto; 
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 10px 20px 10px; 
    margin-bottom: 20px;
    border-bottom: 1px solid #2a2f38;
    flex-shrink: 0; 
}

.sidebar-logo {
    font-size: 1.8rem;
    color: #3498db;
}

.sidebar-header h2 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #e2e8f0;
}

.tool-list {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1; 
}

.tool-list li {
    margin-bottom: 8px;
}

.tool-button {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 15px;
    background-color: transparent;
    border: none;
    color: #adb5bd;
    text-align: left;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
}

.tool-button i {
    margin-right: 12px;
    font-size: 1.1rem;
    width: 20px; 
    text-align: center;
    color: #8899a6;
    transition: color 0.2s ease;
}

.tool-button:hover {
    background-color: #21262d;
    color: #e2e8f0;
}
.tool-button:hover i {
    color: #3498db;
}

.tool-button.active {
    background-color: #3498db; 
    color: #ffffff;
    font-weight: 600;
    padding-left: 20px; 
}

.tool-button.active i {
    color: #ffffff;
}

.sidebar-footer {
    margin-top: auto;
    padding: 15px 10px 10px 10px; 
    text-align: center;
    font-size: 0.8rem;
    color: #6c757d;
    border-top: 1px solid #2a2f38;
    flex-shrink: 0; 
}


.main-content {
    flex-grow: 1;
    overflow-y: auto; 
    display: flex;
    justify-content: center; 
    margin-left: 260px; 
    padding: 30px; 
    width: calc(100% - 260px); 
    min-height: 100vh; 
}

/* --- Main Container (for tool content) --- */
.container-custom {
    background-color: #161b22;
    padding: 30px 40px;
    border-radius: 12px;
    width: 100%;
    max-width: 750px; 
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px; 
}

/* --- Typography --- */
.title { 
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px; 
    line-height: 1.2;
    text-align: center; 
}

.subtitle { 
    font-size: 1rem;
    color: #adb5bd;
    margin-bottom: 30px;
    max-width: 100%; 
    text-align: center; 
}

/* --- Tool Panel Transitions --- */
.tool-panel {
    display: none; /* Initially hidden */
    opacity: 0;
    /* transform: translateY(15px); /* Removed for simpler transition */
    transition: opacity 0.25s ease-out; /* Faster opacity-only transition */
}

.tool-panel.active {
    display: block; /* Default display for most active panels */
    opacity: 1;
    /* transform: translateY(0); /* Removed */
}

/* --- Form Elements --- */
.form-group {
    margin-bottom: 25px;
    text-align: left;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

input[type="number"],
input[type="text"], 
input[type="email"], 
select { 
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    font-size: 0.95rem;
    color: #aaacb8;
    background-color: #272731;
    transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
    border: 1px solid #3a3f4b;
}

input[type="number"]:focus,
input[type="text"]:focus,
input[type="email"]:focus,
select:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    outline: none;
    background-color: #2c2c38;
}

.form-group small {
    display: block;
    font-size: 0.85rem;
    color: #8899a6;
    margin-top: 5px;
}

/* --- Custom File Upload Area --- */
.visually-hidden-file-input {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    white-space: nowrap;
}

.file-upload-area {
    width: 100%;
    padding: 35px 20px;
    border: 2px dashed #4a5058;
    border-radius: 8px;
    background-color: #21262d;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
    color: #aaacb8;
    font-weight: normal;
    display: flex; 
    align-items: center;
    justify-content: center;
    margin-top: 8px;
}
.upload-content { 
    display: flex;
    align-items: center;
    gap: 15px;
}
.upload-content > div { 
    text-align: left;
}


.file-upload-area:hover,
.file-upload-area.dragover {
    border-color: #3498db;
    background-color: #2c313a;
}
.file-upload-area.focused {
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
    outline: none;
}

.file-upload-area:hover .upload-icon,
.file-upload-area.dragover .upload-icon,
.file-upload-area.focused .upload-icon {
    color: #3498db;
    transform: scale(1.1); 
}

.file-upload-area .upload-icon {
    font-size: 2.8rem;
    color: #6c757d;
    transition: color 0.3s ease, transform 0.3s ease;
}

.file-upload-area .upload-text-main {
    font-size: 1rem;
    font-weight: 500;
    color: #c3c6d1;
}

.file-upload-area .upload-text-filename {
    font-size: 0.85rem;
    color: #8899a6;
    margin-top: 4px; 
    max-width: 350px; 
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap; 
    display: none; 
    background-color: #1c2026;
    padding: 4px 10px;
    border-radius: 4px;
    line-height: 1.4;
}

.file-upload-area.file-chosen .upload-text-filename {
    display: inline-block; 
    color: #a2f0c8;
    background-color: #2a4038;
}

/* --- Buttons --- */
.submit-btn { 
    color: #e2e8f0;
    border: 1px solid #3498db;
    background: #25344e;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    min-width: 185px;
    transition: background-color 0.2s ease-in-out, transform 0.1s ease, border-color 0.2s ease, opacity 0.2s ease;
    display: block; 
    margin-left: auto;
    margin-right: auto;
    text-decoration: none;
    margin-top: 10px; 
}

.submit-btn:hover {
    background-color: #3498db;
    color: #ffffff;
    border-color: #3498db;
}

.submit-btn:active {
    transform: translateY(1px);
    background-color: #2c7cb8;
}

.submit-btn:disabled {
    background-color: #3a3f4b;
    border-color: #3a3f4b;
    color: #6c757d;
    cursor: not-allowed;
    opacity: 0.7;
}

/* --- Progress Bar --- */
.progress-container {
    width: 100%;
    background-color: #2c313a;
    border-radius: 8px;
    margin-top: 20px; 
    margin-bottom: 20px; 
    overflow: hidden;
    display: none; 
    border: 1px solid #3a3f4b;
    padding: 5px; 
    flex-direction: column; 
    gap: 5px; 
}

.progress-bar {
    width: 0%;
    height: 22px; 
    background-color: #27ae60; 
    text-align: center;
    line-height: 22px;
    color: white;
    font-weight: 500;
    font-size: 0.85rem; 
    border-radius: 4px; 
    transition: width 0.2s ease-out, background-color 0.2s ease; 
    white-space: nowrap;
    overflow: hidden; 
}


/* --- Status & Messages --- */
.status-message {
    margin-top: 0; 
    margin-bottom: 15px; 
    font-weight: 500;
    color: #adb5bd;
    min-height: 1.5em;
    text-align: center;
    word-break: break-word; 
}

.messages-container { 
    margin-bottom: 20px; 
    max-height: 150px; 
    overflow-y: auto;   
}

.messages-container .alert {
    padding: 10px 15px; 
    border-radius: 6px; 
    margin-bottom: 10px; 
    font-size: 0.9rem; 
    text-align: left;
    border-left-width: 4px;
    border-left-style: solid;
    color: #ffffff;
    word-break: break-word;
}

.messages-container .alert-success {
    background-color: rgba(39, 174, 96, 0.2);
    border-left-color: #27ae60;
    color: #d1fae5;
}

.messages-container .alert-error {
    background-color: rgba(231, 76, 60, 0.2);
    border-left-color: #e74c3c;
    color: #fce8e6;
}
.messages-container .alert-info { 
    background-color: rgba(52, 152, 219, 0.15);
    border-left-color: #3498db;
    color: #d6eaf8;
}


/* --- Download Link Container (Less used now) --- */
.download-link-container { 
    margin-top: 20px;
    text-align: center;
}

/* --- Screenshot Studio Specific Styles --- */
/* IMPORTANT: Apply display:flex only when ScreenshotStudio panel is ACTIVE */
.tool-panel#toolPanelScreenshotStudio.active {
    display: flex; 
    flex-direction: column;
    min-height: 600px; 
    max-height: calc(100vh - 120px); 
    overflow: hidden; 
    padding: 0; 
    background-color: #0e1118; 
    /* transition: none; /* Optionally disable transition if it looks jerky */
}
/* If not active, it will use the default .tool-panel styles (display:none, opacity:0) */


.tool-panel#toolPanelScreenshotStudio .studio-header {
    padding: 15px 20px; 
    text-align: center;
    flex-shrink: 0;
    background-color: #161b22; 
    border-bottom: 1px solid #2a2f38;
}

.tool-panel#toolPanelScreenshotStudio .studio-header .studio-title { 
    font-size: 1.5rem; 
    color: #e2e8f0;
    margin: 0 0 5px 0; 
}

.tool-panel#toolPanelScreenshotStudio .studio-header .studio-subtitle { 
    font-size: 0.9rem;
    color: #adb5bd;
    margin-bottom: 0; 
}
.tool-panel#toolPanelScreenshotStudio .studio-header .studio-subtitle.alert-inline {
    padding: 5px 10px;
    border-radius: 4px;
    margin-top: 5px;
    text-align: left; /* Keep text aligned left for alerts */
    display: inline-block; /* So background doesn't span full width */
}
.tool-panel#toolPanelScreenshotStudio .studio-header .studio-subtitle.alert-error {
    background-color: rgba(231, 76, 60, 0.2); color: #fce8e6; border-left: 3px solid #e74c3c;
}
.tool-panel#toolPanelScreenshotStudio .studio-header .studio-subtitle.alert-success {
    background-color: rgba(39, 174, 96, 0.2); color: #d1fae5; border-left: 3px solid #27ae60;
}
.tool-panel#toolPanelScreenshotStudio .studio-header .studio-subtitle.alert-info {
    background-color: rgba(52, 152, 219, 0.15); color: #d6eaf8; border-left: 3px solid #3498db;
}


.tool-panel#toolPanelScreenshotStudio .studio-image-container {
    flex-grow: 1;
    display: flex;
    justify-content: space-around; 
    align-items: stretch; 
    gap: 20px;
    padding: 20px;
    overflow-y: auto; 
    background-color: #0e1118; 
}

.tool-panel#toolPanelScreenshotStudio .studio-controls-container {
    flex-shrink: 0;
    padding: 15px 20px; 
    background-color: #161b22; 
    box-shadow: 0 -2px 8px rgba(0,0,0,0.2); 
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    z-index: 10;
    border-top: 1px solid #2a2f38;
}

.tool-panel#toolPanelScreenshotStudio .image-editor {
    display: flex;
    flex-direction: column;
    background-color: #1f2937; 
    border: 1px solid #374151;  
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    position: relative;
    width: 48%; 
    max-width: 550px; 
    min-width: 280px; 
    min-height: 450px; 
    padding: 15px;
    box-sizing: border-box;
    overflow: hidden; 
}

.tool-panel#toolPanelScreenshotStudio .canvas-wrapper {
    flex-grow: 1;
    background-color: #111827; 
    border-radius: 4px;
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden; 
    border: 1px solid #4b5563; 
    min-height: 200px; 
}

.tool-panel#toolPanelScreenshotStudio .image-editor canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.tool-panel#toolPanelScreenshotStudio .delete-btn {
    position: absolute;
    top: 8px; 
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background-color: #ef4444; 
    color: white;
    font-weight: bold;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    transition: background-color 0.2s;
}
.tool-panel#toolPanelScreenshotStudio .delete-btn:hover { background-color: #dc2626; } 

.tool-panel#toolPanelScreenshotStudio .studio-btn { 
    padding: 10px 20px; 
    font-size: 0.95rem; 
    font-weight: 600;
    color: #e2e8f0; 
    border: 1px solid #3b82f6; 
    background: #2563eb; 
    border-radius: 6px;
    cursor: pointer; 
    transition: background-color 0.2s, border-color 0.2s;
    min-width: 150px; 
}
.tool-panel#toolPanelScreenshotStudio .studio-btn:hover { 
    background-color: #1d4ed8; 
    border-color: #1d4ed8;
    color: #ffffff;
}

.tool-panel#toolPanelScreenshotStudio #studioSwapBtn { 
    background-color: #f59e0b; 
    border-color: #f59e0b;
    color: #1f2937; 
}
.tool-panel#toolPanelScreenshotStudio #studioSwapBtn:hover { 
    background-color: #d97706; 
    border-color: #d97706;
}


.tool-panel#toolPanelScreenshotStudio .editor-controls { 
    width: 100%; 
    margin: 0 auto; 
    flex-shrink: 0; 
}
.tool-panel#toolPanelScreenshotStudio .control-group { 
    display: flex; 
    align-items: center; 
    margin-bottom: 12px; 
    gap: 10px; 
}
.tool-panel#toolPanelScreenshotStudio .control-group label { 
    margin-right: 0; 
    white-space: nowrap; 
    color: #9ca3af; 
    font-size: 0.875rem; 
    min-width: 70px; 
    text-align: right;
    flex-shrink: 0;
}
.tool-panel#toolPanelScreenshotStudio .control-group input[type="range"] { 
    width: 100%; 
    flex-grow: 1;
    cursor: pointer;
    accent-color: #3b82f6; 
}
.tool-panel#toolPanelScreenshotStudio .control-group button, 
.tool-panel#toolPanelScreenshotStudio .control-reset-btn { 
    padding: 5px 10px; 
    background-color: #4b5563; 
    color: white; 
    border: none; 
    border-radius: 4px; 
    cursor: pointer; 
    font-size: 0.8rem; 
    line-height: 1.2;
    transition: background-color 0.2s;
    flex-shrink: 0;
}
.tool-panel#toolPanelScreenshotStudio .control-group button:hover,
.tool-panel#toolPanelScreenshotStudio .control-reset-btn:hover { 
    background-color: #374151; 
}
.tool-panel#toolPanelScreenshotStudio .control-reset-btn { 
    font-size: 1rem; 
    padding: 4px 8px;
}


/* --- Responsive Adjustments --- */
@media (max-width: 1024px) { 
    .sidebar { width: 220px; }
    .main-content { margin-left: 220px; width: calc(100% - 220px); padding: 20px; }
    .container-custom { padding: 25px 30px; max-width: 95%; } 
}

@media (max-width: 768px) { 
    .app-wrapper { flex-direction: column; }
    .sidebar {
        position: static; width: 100%; height: auto; border-right: none; border-bottom: 1px solid #2a2f38;
        flex-direction: row; align-items: center; padding: 10px 15px; overflow-y: visible; z-index: auto; 
    }
    .sidebar-header { padding: 0; margin-bottom: 0; border-bottom: none; margin-right: auto; }
    .sidebar-header h2 { font-size: 1.2rem; }
    .sidebar-logo { font-size: 1.5rem; }
    .tool-list {
        display: flex; overflow-x: auto; overflow-y: hidden; padding-bottom: 5px; flex-grow: 0; justify-content: flex-end;
    }
    .tool-list li { margin-bottom: 0; margin-right: 8px; flex-shrink: 0; }
    .tool-button { padding: 8px 12px; font-size: 0.9rem; }
    .tool-button i { margin-right: 8px; font-size: 1rem; }
    .tool-button.active { padding-left: 12px; }
    .sidebar-footer { display: none; }

    .main-content { margin-left: 0; width: 100%; padding: 15px; }
    .container-custom { padding: 20px; margin-bottom: 15px; max-width: 100%; }
    .title { font-size: 1.75rem; }
    .subtitle { font-size: 0.95rem; }
    
    input[type="number"], select, .submit-btn { font-size: 0.9rem; padding: 10px 12px; }
    .submit-btn { padding: 12px 20px; min-width: auto; }
    .file-upload-area { padding: 25px 15px; }
    .upload-content { flex-direction: column; gap: 10px; }
    .upload-content > div { text-align: center; }
    .file-upload-area .upload-icon { font-size: 2.2rem; margin-bottom: 0; }
    .file-upload-area .upload-text-main { font-size: 0.9rem; }
    .file-upload-area .upload-text-filename { max-width: 250px; }
    .progress-bar { height: 20px; line-height: 20px; font-size: 0.8rem; }
    .messages-container { max-height: 120px; }

    /* Screenshot Studio Responsive */
    .tool-panel#toolPanelScreenshotStudio.active { /* Ensure flex is applied on mobile too if needed */
        display: flex;
        flex-direction: column;
    }
    .tool-panel#toolPanelScreenshotStudio {
        height: auto; 
        min-height: calc(100vh - 50px - 15px - 15px); /* Viewport - body padding - main content padding */
        padding: 10px; 
    }
    .tool-panel#toolPanelScreenshotStudio .studio-header {
        padding: 10px;
    }
    .tool-panel#toolPanelScreenshotStudio .studio-image-container {
        flex-direction: column;
        align-items: center; 
        overflow-y: auto; 
        padding: 10px 0; 
        gap: 15px;
    }
    .tool-panel#toolPanelScreenshotStudio .image-editor {
        width: 100%; 
        max-width: 100%; 
        height: auto; 
        min-height: 380px; 
        margin-bottom: 15px; 
    }
     .tool-panel#toolPanelScreenshotStudio .image-editor:last-child {
        margin-bottom: 0;
    }
    .tool-panel#toolPanelScreenshotStudio .studio-controls-container {
        flex-direction: column; 
        gap: 10px;
        padding: 10px;
    }
    .tool-panel#toolPanelScreenshotStudio .studio-btn {
        width: 100%; 
    }
}

@media (max-width: 480px) { /* Small mobile */
    .sidebar-header h2 { font-size: 1.1rem; }
    .title { font-size: 1.5rem; }
    .subtitle { font-size: 0.9rem; }
    .form-group label { font-size: 0.9rem; }
    .file-upload-area .upload-text-main { font-size: 0.85rem; }
    .file-upload-area .upload-text-filename { font-size: 0.75rem; max-width: 200px; }
    .progress-bar { height: 18px; line-height: 18px; font-size: 0.75rem; }
    .messages-container .alert { font-size: 0.85rem; padding: 8px 12px;}

    /* Screenshot Studio fine-tuning for very small screens */
    .tool-panel#toolPanelScreenshotStudio .image-editor {
        min-height: 320px;
        padding: 10px;
    }
     .tool-panel#toolPanelScreenshotStudio .studio-header .studio-title { font-size: 1.3rem; }
     .tool-panel#toolPanelScreenshotStudio .studio-header .studio-subtitle { font-size: 0.85rem; }

    .tool-panel#toolPanelScreenshotStudio .control-group {
        flex-direction: column; 
        align-items: stretch; 
        gap: 5px;
    }
    .tool-panel#toolPanelScreenshotStudio .control-group label {
        text-align: left;
        min-width: auto; 
        margin-bottom: 3px;
    }
    .tool-panel#toolPanelScreenshotStudio .editor-controls {
        padding: 0 5px; 
    }
}