/* Import Google Font (Inter) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

html {
    scroll-behavior: smooth;
}

body {
    overscroll-behavior-y: contain;
    -webkit-font-smoothing: antialiased; /* Smoother fonts on WebKit */
    -moz-osx-font-smoothing: grayscale; /* Smoother fonts on Firefox */
    /* Styles from your original style.css like background, color, font-family are handled by Tailwind body classes and existing main.css */
}

/* --- Header --- */
.nav-link {
    color: #D1D5DB; /* neutral-lighter */
    padding: 0.65rem 0.85rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: background-color 0.15s ease-out, color 0.15s ease-out, box-shadow 0.15s ease-out;
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #F9FAFB; /* header-text */
}

.nav-link.active-link {
    background-color: rgba(14, 165, 233, 0.15); /* primary with less opacity */
    color: #F9FAFB; /* header-text */
    font-weight: 600;
    box-shadow: inset 0 0 0 1px rgba(14, 165, 233, 0.4);
}

.nav-link-icon {
    color: #9CA3AF; /* neutral-light */
    margin-right: 0.4rem;
    transition: color 0.15s ease-out;
}

.nav-link:hover .nav-link-icon,
.nav-link.active-link .nav-link-icon {
    color: #F9FAFB; /* header-text */
}

.mobile-nav-link {
    display: block;
    padding: 0.85rem 1.15rem;
    color: #D1D5DB; /* neutral-lighter */
    font-size: 1rem;
    transition: background-color 0.15s ease-out, color 0.15s ease-out;
}
.mobile-nav-link:hover {
    background-color: #374151; /* neutral-dark */
    color: #F9FAFB; /* header-text */
}
.mobile-nav-link.active-link {
    background-color: #0284C7; /* primary-dark */
    color: #F9FAFB; /* header-text */
    font-weight: 600;
}

/* --- Main Content & Tool Sections --- */
#app-content {
    min-height: calc(100vh - 4rem - 4.5rem); /* Assuming header and footer height */
}

.tool-section {
    background-color: #1F2937; /* neutral-darker */
    padding: clamp(1.5rem, 5vw, 2.5rem); /* Responsive padding */
    border-radius: 12px;
    box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(55, 65, 81, 0.6);
    margin-bottom: 3rem;
}

.tool-section h2 {
    font-size: clamp(1.5rem, 4vw, 1.875rem); /* Responsive font size */
    font-weight: 600;
    color: #F3F4F6; /* neutral-lightest */
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid #374151; /* neutral-dark */
    display: flex;
    align-items: center;
}
.tool-section h2 i {
    color: #0EA5E9; /* primary */
    margin-right: 0.85rem;
    font-size: 0.9em; /* Relative to h2 size */
}

/* --- Drop Zone (General, can be used by other tools too) --- */
.drop-zone { /* This is a general class, #upload-area will be more specific for resizer */
    border: 2px dashed #4B5563; /* neutral-dark */
    border-radius: 10px;
    min-height: 220px;
    background-color: rgba(17, 24, 39, 0.7); /* neutral-darkest with alpha */
    color: #9CA3AF; /* neutral-light */
    transition: background-color 0.2s ease-out, border-color 0.2s ease-out, transform 0.2s ease-out;
    cursor: pointer;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.drop-zone:hover {
    background-color: #374151; /* neutral-dark */
    border-color: #0EA5E9; /* primary */
    color: #F3F4F6; /* neutral-lightest */
    transform: scale(1.015);
}
.drop-zone i.fa-cloud-upload-alt, .drop-zone i.fa-file-image {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #6B7280; /* neutral-medium */
    transition: color 0.2s ease-out, transform 0.2s ease-out;
}
.drop-zone:hover i.fa-cloud-upload-alt, .drop-zone:hover i.fa-file-image {
    color: #0EA5E9; /* primary */
    transform: translateY(-3px);
}
.drop-zone p.font-semibold { /* Tailwind class, ensure it's applied in HTML */
    color: #D1D5DB; /* neutral-lighter */
    font-size: 1.1rem;
}
.drop-zone p.text-sm { /* Tailwind class */
    margin-top: 0.25rem;
}

/* --- Controls Panel (General) --- */
.controls-panel { /* General styling for control panels in tools */
    background-color: transparent;
    padding: 1.5rem 0;
    margin-bottom: 2rem;
}

.controls-panel label,
label.flex { /* Tailwind class */
    color: #D1D5DB; /* neutral-lighter */
    font-weight: 500;
    font-size: 0.9rem;
}
.controls-panel input[type="range"] {
    height: 0.75rem;
}
.controls-panel input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: #0EA5E9; /* primary */
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #1F2937; /* neutral-darker */
    box-shadow: 0 0 5px rgba(14, 165, 233, 0.5);
}
.controls-panel input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: #0EA5E9; /* primary */
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #1F2937; /* neutral-darker */
    box-shadow: 0 0 5px rgba(14, 165, 233, 0.5);
}

/* General Form Elements (enhanced by Tailwind's form plugin if used, or custom styled) */
.form-input,
.form-select,
.form-checkbox, /* For Tailwind Forms plugin compatibility */
.image-resizer-tool input[type="number"], /* Specific to resizer inputs */
.image-resizer-tool input[type="text"],
.image-resizer-tool select {
    accent-color: #0EA5E9; /* primary */
    background-color: #374151; /* neutral-dark */
    border-color: #4B5563; /* neutral-medium */
    color: #F3F4F6; /* neutral-lightest */
    border-radius: 6px;
    transition: border-color 0.15s ease-out, box-shadow 0.15s ease-out, background-color 0.15s ease-out;
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
    padding-left: 0.75rem;
    padding-right: 0.75rem; /* Base padding, select will add more for arrow */
    width: 100%;
    box-sizing: border-box;
    font-size: 0.95rem;
}
.form-input::placeholder,
.image-resizer-tool input::placeholder {
    color: #6B7280; /* neutral-medium */
    font-size: 0.9rem;
}

.form-select,
.image-resizer-tool select {
    padding-right: 2.5rem; /* Ensure space for Tailwind's default arrow or custom arrow */
    -webkit-appearance: none; /* Custom arrow for resizer select */
    -moz-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=UTF-8,<svg fill="%239CA3AF" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>'); /* neutral-light arrow */
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1em 1em;
}
.form-select option,
.image-resizer-tool select option {
    background-color: #1F2937; /* neutral-darker */
    color: #F3F4F6; /* neutral-lightest */
}
.form-input:focus,
.form-select:focus,
.form-checkbox:focus,
.image-resizer-tool input[type="number"]:focus,
.image-resizer-tool input[type="text"]:focus,
.image-resizer-tool select:focus,
.controls-panel input[type="range"]:focus {
    border-color: #0EA5E9; /* primary */
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25);
    outline: none;
    background-color: #4B5563; /* Slightly lighter on focus - neutral-medium */
}
.image-resizer-tool input[type="number"]:read-only,
.image-resizer-tool input[type="text"]:read-only {
    background-color: #2c3543; /* Darker for readonly, distinct from neutral-dark */
    color: #9CA3AF; /* neutral-light */
    cursor: not-allowed;
}


/* Custom Toggle Switch (General, can be used by other tools) */
.custom-toggle-switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
    background-color: #4B5563; /* neutral-medium */
    border-radius: 22px;
    transition: background-color 0.2s ease-in-out;
    cursor: pointer;
    vertical-align: middle;
}
.custom-toggle-switch::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: white;
    top: 3px;
    left: 3px;
    transition: transform 0.2s ease-in-out, background-color 0.2s ease-in-out;
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}
.custom-toggle-checkbox:checked + .custom-toggle-switch {
    background-color: #0EA5E9; /* primary */
}
.custom-toggle-checkbox:checked + .custom-toggle-switch::after {
    transform: translateX(18px);
}
.custom-toggle-checkbox:focus + .custom-toggle-switch {
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25); /* primary focus */
}


/* --- Buttons (General) --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.4rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: background-color 0.1s ease-out, border-color 0.1s ease-out, color 0.1s ease-out, box-shadow 0.1s ease-out, transform 0.08s ease-out;
    cursor: pointer;
    border: 1px solid transparent;
    box-shadow: 0 1px 2px rgba(0,0,0,0.05), inset 0 1px 0 rgba(255,255,255,0.03);
}
.btn:hover {
    box-shadow: 0 2px 5px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.05);
    transform: translateY(-1.5px);
}
.btn:active, .btn:focus {
    transform: translateY(0px);
    box-shadow: inset 0 2px 3px rgba(0,0,0,0.1);
    outline: none;
}
.btn:focus-visible {
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.3), inset 0 2px 3px rgba(0,0,0,0.1); /* primary focus */
}
.btn:disabled,
.image-resizer-tool button:disabled { /* Ensure resizer button disabled state matches */
    background-color: #4B5563; /* neutral-medium */
    color: #9CA3AF; /* neutral-light */
    cursor: not-allowed;
    transform: translateY(0);
    box-shadow: none;
}

.btn i {
    margin-right: 0.6rem;
    font-size: 0.95em;
}

.btn-primary {
    background-color: #0EA5E9; /* primary */
    color: #ffffff;
    border-color: transparent;
}
.btn-primary:hover:not(:disabled) {
    background-color: #0284C7; /* primary-dark */
}

.btn-secondary {
    background-color: #10B981; /* secondary */
    color: white;
    border-color: transparent;
}
.btn-secondary:hover:not(:disabled) {
    background-color: #059669; /* secondary-dark */
}

.btn-danger {
    background-color: #EF4444; /* danger */
    color: white;
    border-color: transparent;
}
.btn-danger:hover:not(:disabled) {
    background-color: #DC2626; /* danger-dark */
}

.btn-outline {
    background-color: transparent;
    border: 1px solid #4B5563; /* neutral-medium */
    color: #D1D5DB; /* neutral-lighter */
}
.btn-outline:hover:not(:disabled) {
    background-color: rgba(75, 85, 99, 0.2); /* neutral-medium with alpha */
    border-color: #0EA5E9; /* primary */
    color: #F3F4F6; /* neutral-lightest */
}

/* --- File Preview Cards (General) --- */
.preview-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1.25rem;
    margin-top: 2rem;
}

.preview-card {
    background: #374151; /* neutral-dark */
    border-radius: 8px;
    box-shadow: 0 3px 7px rgba(0, 0, 0, 0.18);
    padding: 1rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.15s ease-out, box-shadow 0.15s ease-out;
    border: 1px solid rgba(75, 85, 99, 0.7); /* neutral-medium with alpha */
}
.preview-card:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.25);
}

.preview-card img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 0.75rem;
    border: 1px solid #6B7280; /* neutral-medium */
    background-color: #1F2937; /* neutral-darker */
}

.preview-card p {
    font-size: 0.8rem;
    color: #D1D5DB; /* neutral-lighter */
    word-break: break-all;
    margin: 0.25rem 0 0;
    line-height: 1.3;
    height: 2.6em;
    overflow: hidden;
    text-overflow: ellipsis;
}

.remove-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(239, 68, 68, 0.8); /* danger with alpha */
    color: white;
    border-radius: 50%;
    width: 26px;
    height: 26px;
    font-size: 0.9rem;
    transition: background-color 0.1s ease-out, transform 0.1s ease-out;
}
.remove-btn:hover {
    background-color: #DC2626; /* danger-dark */
    transform: scale(1.15);
}

/* --- Download Links --- */
.download-links-container {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
}

/* --- Loading Spinner (General) --- */
.loading-spinner-container { /* For initial page load spinner */
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 2rem;
    padding: 1.5rem;
    color: #9CA3AF; /* neutral-light */
    min-height: 80px;
}

.spinner { /* General spinner class, can be used by #spinner in resizer */
    border: 5px solid #374151; /* neutral-dark */
    border-top: 5px solid #0EA5E9; /* primary */
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 0.65s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- Canvas Elements --- */
canvas.processed-image-canvas, /* For other tools */
#crop-canvas, /* For crop tool */
#preview-canvas, /* For image resizer tool, ID from script.js */
#resizer-preview-canvas { /* If you have another alias */
    max-width: 100%;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border: 1px solid #4B5563; /* neutral-medium */
    background-color: #111827; /* neutral-darkest, though resizer HTML sets its canvas to white */
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}
/* Specific canvas styling for resizer if needed, from its HTML: */
.image-resizer-tool #preview-canvas {
    background-color: #ffffff; /* White background for the image itself if it has transparency */
    box-shadow: 0 4px 10px rgba(0,0,0,0.2); /* From style.css */
    object-fit: contain; /* From style.css */
    display: block; /* From style.css */
}
.image-resizer-tool #preview-canvas.hidden { /* From script.js logic */
    display: none;
}


/* --- Global Messages (from main.js) --- */
#global-message-container { /* Ensure this is defined if not already */
    position: fixed;
    bottom: 1.25rem; /* Equivalent to bottom-5 */
    right: 1.25rem; /* Equivalent to right-5 */
    z-index: 100; /* Ensure it's above most content */
}
.global-message {
    padding: 0.9rem 1.3rem;
    margin-bottom: 0.85rem;
    border-radius: 8px;
    color: white;
    font-size: 0.9rem;
    box-shadow: 0 6px 18px rgba(0,0,0,0.25);
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-width: 280px;
    border-left-width: 5px;
    border-left-style: solid;
    opacity: 0;
    transform: translateX(20px); /* Start off-screen for animation */
    animation: slideInMessage 0.3s ease-out forwards;
}

@keyframes slideInMessage {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.global-message.success {
    background-color: #10B981; /* secondary */
    border-left-color: #059669; /* secondary-dark */
}
.global-message.error {
    background-color: #EF4444; /* danger */
    border-left-color: #DC2626; /* danger-dark */
}
.global-message.info {
    background-color: #0EA5E9; /* primary */
    border-left-color: #0284C7; /* primary-dark */
}
.global-message .close-message {
    background: none;
    border: none;
    color: rgba(255,255,255,0.8);
    font-size: 1.3rem;
    transition: color 0.1s;
    cursor: pointer;
}
.global-message .close-message:hover {
    color: white;
}

/* --- Styles for Image Resizer Tool (Ported from style.css) --- */

/* Upload area specific to resizer if #upload-area is used in HTML */
.image-resizer-tool #upload-area {
  background: #2d3748; /* Tailwind's gray-800, slightly different from general .drop-zone */
  border: 2px dashed #4B5563; /* neutral-medium */
  border-radius: 10px; /* Consistent with .drop-zone */
  /* width: 100%; max-width: 600px; */ /* Handled by Tailwind in HTML */
  min-height: 200px;
  display: flex; /* Handled by Tailwind in HTML */
  flex-direction: column; /* Handled by Tailwind in HTML */
  align-items: center; /* Handled by Tailwind in HTML */
  justify-content: center; /* Handled by Tailwind in HTML */
  text-align: center; /* Handled by Tailwind in HTML */
  /* margin: 0 auto 20px auto; */ /* Handled by Tailwind in HTML */
  cursor: pointer;
  transition: background-color 0.3s, border-color 0.3s;
  color: #9CA3AF; /* neutral-light */
  font-size: 1.1rem; /* From style.css */
  padding: 20px; /* From style.css */
  box-sizing: border-box; /* From style.css */
}
.image-resizer-tool #upload-area:hover {
  background-color: #1F2937; /* neutral-darker */
  border-color: #0EA5E9; /* primary */
}
.image-resizer-tool #upload-area.hidden { /* From script.js logic */
    display: none;
}
.image-resizer-tool .upload-icon { /* Class from resizer HTML */
  color: #9CA3AF; /* neutral-light */
  margin-bottom: 10px;
  transition: color 0.3s;
}
.image-resizer-tool #upload-area:hover .upload-icon {
  color: #0EA5E9; /* primary */
}

/* Controls specific to resizer */
.image-resizer-tool .controls {
  background: #1F2937; /* neutral-darker, was #1a202c */
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0,0,0,0.4);
  /* width, max-width handled by Tailwind in HTML */
  display: flex; /* Handled by Tailwind in HTML */
  flex-direction: column; /* Handled by Tailwind in HTML */
  gap: 20px; /* From style.css */
}

.image-resizer-tool .controls fieldset {
  border: 1px solid #374151; /* neutral-dark, was #354154 */
  border-radius: 8px;
  padding: 20px 15px 15px 15px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.image-resizer-tool .controls legend {
  padding: 0 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #9CA3AF; /* neutral-light, was #7f8c9b */
}

.image-resizer-tool label { /* General label styling within resizer */
  font-size: 0.9rem;
  color: #D1D5DB; /* neutral-lighter */
  /* margin-bottom: -8px; */ /* Removed for Tailwind spacing */
}

/* Range input specific to resizer tool */
.image-resizer-tool input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 10px;
  background: #4B5563; /* neutral-medium, was #4a5568 */
  border-radius: 10px;
  outline: none;
  opacity: 0.9;
  transition: opacity .15s ease-in-out;
  margin-top: 5px;
}
.image-resizer-tool input[type=range]:hover {
  opacity: 1;
}
.image-resizer-tool input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: #0EA5E9; /* primary, was #5a67d8 */
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid #1F2937; /* neutral-darker, was #1a202c */
  box-shadow: 0 0 5px rgba(14, 165, 233, 0.5); /* primary with alpha */
}
.image-resizer-tool input[type=range]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: #0EA5E9; /* primary */
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid #1F2937; /* neutral-darker */
  box-shadow: 0 0 5px rgba(14, 165, 233, 0.5);
}

/* Toggle Switch specific to resizer (if not using general .custom-toggle-switch) */
/* This uses classes from your resizer's style.css directly */
.image-resizer-tool .toggle-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
}
.image-resizer-tool .toggle-switch-label {
  font-size: 0.9rem;
  color: #D1D5DB; /* neutral-lighter */
  margin-right: 10px;
}
.image-resizer-tool .toggle-switch { /* The container for the visual switch parts */
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}
.image-resizer-tool .toggle-switch input.toggle-switch-input { /* The actual checkbox, hidden */
  opacity: 0;
  width: 0;
  height: 0;
}
.image-resizer-tool .toggle-slider { /* The track of the switch */
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #4B5563; /* neutral-medium (Off state) */
  transition: .3s;
  border-radius: 24px;
}
.image-resizer-tool .toggle-slider:before { /* The knob of the switch */
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}
.image-resizer-tool input.toggle-switch-input:checked + .toggle-switch .toggle-slider {
  background-color: #0EA5E9; /* primary (On state) */
}
.image-resizer-tool input.toggle-switch-input:focus + .toggle-switch .toggle-slider {
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.25); /* primary focus */
}
.image-resizer-tool input.toggle-switch-input:checked + .toggle-switch .toggle-slider:before {
  transform: translateX(20px);
}


.image-resizer-tool #aspect-ratio,
.image-resizer-tool #quality-value, /* ID from script.js */
.image-resizer-tool #percentage-display { /* ID from script.js */
  font-size: 0.85rem;
  color: #9CA3AF; /* neutral-light */
}
.image-resizer-tool .dimension-info { /* Class from script.js */
    font-size: 0.85rem;
    color: #9CA3AF; /* neutral-light */
    margin-top: -8px; /* Fine-tune from style.css */
    margin-bottom: 0;
}
.image-resizer-tool #aspect-ratio.hidden { /* From script.js logic */
    display: none;
}

/* Spinner specific to resizer if #spinner is used and needs different styling from .spinner */
.image-resizer-tool #spinner {
  border: 5px solid #4B5563; /* neutral-medium, was #4a5568 */
  border-top: 5px solid #0EA5E9; /* primary, was #5a67d8 */
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 0.8s linear infinite; /* From style.css, slightly different timing */
  /* margin: 30px auto; */ /* Handled by flex centering in preview-container */
}
/* Keyframes for spin is already defined globally, ensure it's compatible or redefine if necessary */

/* Notification Area for Image Resizer Tool (from style.css) */
/* This is separate from global-message-container */
.image-resizer-tool #notification-area {
  /* position, top, right, z-index, display, gap, max-width handled by Tailwind in HTML */
}

.image-resizer-tool .notification {
  background-color: #1F2937; /* neutral-darker, was #1a202c */
  color: #F3F4F6; /* neutral-lightest */
  padding: 12px 18px;
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  font-size: 0.9rem;
  border-left: 4px solid #0EA5E9; /* Default (info) border color - primary */
  opacity: 0;
  transform: translateX(100%);
  /* Animation timing from style.css. Note: global messages have different animation. */
  animation: resizerSlideInNotification 0.3s forwards, resizerFadeOutNotification 0.3s forwards 3.7s;
}

.image-resizer-tool .notification.error {
  border-left-color: #EF4444; /* danger */
}
.image-resizer-tool .notification.success {
  border-left-color: #10B981; /* secondary */
}

@keyframes resizerSlideInNotification {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes resizerFadeOutNotification {
  from {
      opacity: 1;
      transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

/* Preview container specific to resizer */
.image-resizer-tool #preview-container {
  /* flex-grow, display, justify, align handled by Tailwind */
  background: #1F2937; /* neutral-darker, was #1a202c */
  border-radius: 10px;
  padding: 20px;
  /* min-height handled by Tailwind */
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}
.image-resizer-tool #preview-container.hidden { /* From script.js logic */
    display: none;
}


/* --- Responsive Adjustments (General) --- */
@media (max-width: 768px) { /* md breakpoint */
    .tool-section {
        padding: clamp(1rem, 4vw, 1.5rem);
        border-radius: 10px;
    }
    .tool-section h2 {
        font-size: clamp(1.25rem, 3.5vw, 1.5rem);
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
    }
    .drop-zone, .image-resizer-tool #upload-area { /* Apply to resizer's upload area too */
        min-height: 180px;
        padding: 20px;
    }
    .drop-zone i.fa-cloud-upload-alt, .drop-zone i.fa-file-image,
    .image-resizer-tool #upload-area i.fa-cloud-upload-alt {
        font-size: 2.5rem;
    }
    .drop-zone p.font-semibold,
    .image-resizer-tool #upload-area p.font-semibold { /* If such class is used in resizer HTML */
        font-size: 1rem;
    }
    .preview-card-grid {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
        gap: 1rem;
    }
    .preview-card img {
        height: 90px;
    }
    .btn {
        padding: 0.6rem 1.1rem;
        font-size: 0.85rem;
    }

    /* Resizer specific responsive adjustments from style.css */
    /* #editor-interface flex-direction: column is handled by Tailwind md:flex-row flex-col */
    .image-resizer-tool .controls {
        /* max-width: 600px; */ /* Let Tailwind handle width */
        margin-bottom: 25px; /* From style.css */
    }
    .image-resizer-tool #preview-container {
        /* width: 100%; max-width: 600px; */ /* Let Tailwind handle width */
        min-height: 300px; /* From style.css */
    }
    .image-resizer-tool #notification-area { /* From style.css for small screens */
        /* top, right, left, max-width handled by Tailwind in HTML */
        align-items: center; /* From style.css */
    }
    .image-resizer-tool .notification { /* From style.css for small screens */
        width: 100%;
        box-sizing: border-box;
    }
}

@media (max-width: 480px) { /* sm breakpoint or smaller */
    .preview-card-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }
     .tool-section h2 i {
        font-size: 0.8em;
        margin-right: 0.5rem;
    }
    /* Stack custom size inputs on small screens for resizer tool */
    .image-resizer-tool #custom-size-fields.grid { /* Ensure this targets the grid if still used */
        grid-template-columns: 1fr; /* This is already default for mobile in HTML via grid-cols-2 */
    }
}