/* --- Global Styles & Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #3a86ff;
    --primary-gradient: linear-gradient(135deg, #3a86ff 0%, #8338ec 100%);
    --primary-text-color: #ffffff;
    --background-color: #f0f2f5;
    --card-background: #ffffff;
    --text-color: #5a647e;
    --heading-color: #1c2a4e;
    --subtle-text-color: #8a94a6;
    --shadow-color: rgba(28, 42, 78, 0.08);
    --border-color: #e8eaf0;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --font-family: 'Poppins', 'Segoe UI', 'Roboto', sans-serif;
}

[data-theme="dark"] {
    --background-color: #121212;
    --card-background: #1e1e1e;
    --text-color: #adb5bd;
    --heading-color: #f8f9fa;
    --subtle-text-color: #868e96;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --border-color: #343a40;
    --success-color: #3dd563;
    --warning-color: #ffca2c;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); background-color: var(--background-color); color: var(--text-color); line-height: 1.6; transition: background-color 0.3s ease, color 0.3s ease; }
.page-wrapper { width: 100%; max-width: 1400px; margin: 0 auto; padding: 40px 20px; }
.resizer-wrapper { width: 100%; background-color: var(--card-background); border-radius: 16px; padding: 40px; box-shadow: 0 10px 20px var(--shadow-color); border: 1px solid var(--border-color); transition: all 0.3s ease; }
.hidden { display: none !important; }

/* --- Header & Theme Toggle --- */
.tool-header-controls { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.back-link { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--subtle-text-color); font-weight: 500; transition: color 0.2s ease; }
.back-link:hover { color: var(--primary-color); }
.back-link svg { width: 20px; height: 20px; }
.theme-toggle-btn { background-color: var(--background-color); border: 1px solid var(--border-color); color: var(--text-color); width: 40px; height: 40px; border-radius: 50%; cursor: pointer; display: flex; justify-content: center; align-items: center; font-size: 1.2rem; transition: all 0.3s ease; }
.theme-toggle-btn:hover { background-color: var(--border-color); transform: scale(1.1) rotate(15deg); }
.theme-toggle-btn svg { width: 20px; height: 20px; }
[data-theme="dark"] #sunIcon { display: block; } [data-theme="dark"] #moonIcon { display: none; }
[data-theme="light"] #sunIcon { display: none; } [data-theme="light"] #moonIcon { display: block; }
.header { text-align: center; margin-bottom: 30px; }
.header h1 { font-size: 2.5rem; font-weight: 700; letter-spacing: -1.5px; color: var(--heading-color); }
.header p { color: var(--subtle-text-color); margin-top: 8px; font-size: 1.1rem; }

/* --- Upload Area --- */
.upload-box { display: flex; align-items: center; justify-content: center; gap: 20px; border: 2px dashed var(--border-color); border-radius: 12px; padding: 60px 40px; text-align: left; cursor: pointer; transition: all 0.3s ease; }
.upload-box:hover, .upload-box.dragover { border-color: var(--primary-color); background-color: rgba(58, 134, 255, 0.05); }
.upload-box svg { width: 48px; height: 48px; color: var(--primary-color); flex-shrink: 0; }
.upload-box .upload-text p { font-size: 1.2rem; font-weight: 600; color: var(--heading-color); margin: 0; }
.upload-box .upload-text span { color: var(--subtle-text-color); font-size: 0.9rem; }
#file-input { display: none; }

/* --- Global Controls --- */
#global-controls { margin-bottom: 30px; padding: 25px; border-radius: 12px; background-color: var(--background-color); border: 1px solid var(--border-color); }
#global-controls h3 { margin: 0 0 20px 0; font-size: 1.2rem; font-weight: 600; color: var(--heading-color); }
.controls-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.input-group { display: flex; flex-direction: column; gap: 8px; }
.input-group label { font-size: 0.875rem; font-weight: 500; color: var(--text-color); }
.input-group input, .input-group select { width: 100%; padding: 12px; border: 1px solid var(--border-color); border-radius: 8px; background-color: var(--card-background); color: var(--text-color); font-family: var(--font-family); font-size: 0.9rem; transition: all 0.2s ease; }
.input-group input:focus, .input-group select:focus { outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(58, 134, 255, 0.2); }
.size-control { display: flex; gap: 10px; }
.size-control select { width: 90px; flex-shrink: 0; }

/* --- Image Grid & Cards --- */
#image-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 30px; }
.image-card { background-color: var(--card-background); border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; box-shadow: 0 4px 12px var(--shadow-color); display: flex; flex-direction: column; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.image-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px var(--shadow-color); }
.card-image-wrapper { width: 100%; height: 250px; background-color: var(--background-color); display: flex; align-items: center; justify-content: center; }
.image-to-crop-instance { display: block; max-width: 100%; }
.card-info { display: flex; justify-content: space-between; align-items: center; padding: 15px; border-bottom: 1px solid var(--border-color); }
.card-filename { font-weight: 600; color: var(--heading-color); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 0.9rem; }
.card-status { font-size: 0.8rem; font-weight: 600; padding: 4px 10px; border-radius: 20px; }
.card-status[data-status="ready"] { background-color: rgba(138, 148, 166, 0.1); color: var(--subtle-text-color); }
.card-status[data-status="processing"] { background-color: rgba(255, 193, 7, 0.15); color: var(--warning-color); }
.card-status[data-status="processed"] { background-color: rgba(40, 167, 69, 0.15); color: var(--success-color); }
.card-controls { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; padding: 15px; }
.input-group.small label { font-size: 0.8rem; }
.input-group.small input { padding: 8px; }
.card-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background-color: var(--border-color); }
.card-btn { width: 100%; padding: 12px; background-color: var(--card-background); color: var(--text-color); border: none; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: background-color 0.2s ease; }
.card-btn:hover:not(:disabled) { background-color: var(--background-color); }
.card-btn.process-one-btn:hover:not(:disabled) { color: var(--primary-color); }
.card-btn.download-one-btn:hover:not(:disabled) { color: var(--success-color); }
.card-btn:disabled { background-color: var(--background-color); color: var(--subtle-text-color); cursor: not-allowed; }

/* --- Action Buttons --- */
.global-actions-wrapper { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 20px; border-top: 1px solid var(--border-color); padding-top: 20px; }
.action-btn { padding: 12px 24px; border: none; border-radius: 8px; font-size: 0.9rem; font-weight: 600; cursor: pointer; transition: all 0.3s ease; flex-grow: 1; }
.action-btn.primary { background: var(--primary-gradient); color: var(--primary-text-color); background-size: 200% auto; }
.action-btn.primary:hover:not(:disabled) { background-position: right center; transform: translateY(-2px); box-shadow: 0 4px 15px rgba(58, 134, 255, 0.3); }
.action-btn.secondary { background-color: var(--card-background); color: var(--primary-color); border: 1px solid var(--primary-color); }
.action-btn.secondary:hover:not(:disabled) { background-color: rgba(58, 134, 255, 0.1); }
.action-btn:disabled { background: var(--subtle-text-color); color: rgba(255,255,255,0.7); cursor: not-allowed; transform: none; box-shadow: none; border-color: transparent; }

/* --- Modal --- */
#processing-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.6); z-index: 1000; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(5px); opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; }
#processing-overlay.visible { opacity: 1; visibility: visible; }
.processing-modal { background-color: var(--card-background); padding: 40px; border-radius: 16px; text-align: center; box-shadow: 0 10px 30px rgba(0,0,0,0.2); transform: scale(0.95); transition: transform 0.3s ease; width: 90%; max-width: 400px; }
#processing-overlay.visible .processing-modal { transform: scale(1); }
.processing-modal h2 { color: var(--heading-color); margin-bottom: 10px; }
.processing-modal p { color: var(--text-color); margin-bottom: 20px; }
.spinner { border: 4px solid var(--border-color); border-top: 4px solid var(--primary-color); border-radius: 50%; width: 40px; height: 40px; animation: spin 1s linear infinite; margin: 20px auto 0; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* --- UPDATED: Professional Cropper.js UI Styles --- */
.cropper-view-box {
    outline: 3px solid transparent;
    transition: outline-color 0.2s ease-in-out;
}

.cropper-handle {
    background-color: var(--primary-color);
    border: 2px solid var(--card-background);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    opacity: 0; /* Handles are invisible by default */
    transition: opacity 0.2s ease-in-out;
    border-radius: 3px; /* Rounded corners for all handles */
}

/* Corner handles are rotated dashes */
.cropper-handle.ord-nw, .cropper-handle.ord-ne, .cropper-handle.ord-sw, .cropper-handle.ord-se {
    width: 18px;
    height: 6px;
}
.cropper-handle.ord-nw, .cropper-handle.ord-se {
    transform: rotate(-45deg);
}
.cropper-handle.ord-ne, .cropper-handle.ord-sw {
    transform: rotate(45deg);
}

/* Side handles are lines (bars) */
.cropper-handle.ord-n, .cropper-handle.ord-s {
    width: 24px;
    height: 6px;
}
.cropper-handle.ord-e, .cropper-handle.ord-w {
    width: 6px;
    height: 24px;
}

/* On hover of the entire cropper instance, show the outline and handles */
.cropper-container:hover .cropper-view-box {
    outline-color: var(--primary-color);
}
.cropper-container:hover .cropper-handle {
    opacity: 1;
}

/* Hide the default dashed lines and center marker for a cleaner look */
.cropper-dashed, .cropper-center {
    display: none;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    .page-wrapper, .resizer-wrapper { padding: 15px; }
    .header h1 { font-size: 2rem; }
    #image-grid { grid-template-columns: 1fr; }
    .global-actions-wrapper { flex-direction: column; }
}
@media (max-width: 500px) {
    .upload-box { flex-direction: column; text-align: center; padding: 40px 20px; }
    .upload-box .upload-text { text-align: center; }
}