/* -- Root Variables & General Body Styles -- */
:root {
    --primary-blue: #3b82f6;
    --primary-green: #22c55e;
    --neutral-bg: #f3f4f6;
    --neutral-card-bg: #ffffff;
    --neutral-border: #d1d5db;
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7281;
    --text-white: #ffffff;
    --accent-red: #ef4444;
    --accent-amber: #f59e0b;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --border-radius: 0.5rem;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--neutral-bg);
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    font-size: 16px;
    line-height: 1.5;
}

.hidden {
    display: none !important;
}

/* -- Main Layout & Header -- */
.app-container {
    max-width: 1024px;
    margin: 0 auto;
    padding: 1rem;
}

.app-header {
    text-align: center;
    margin-bottom: 2rem;
}

.app-header .logo {
    max-width: 320px;
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 0 auto;
}

.app-header .tagline {
    color: var(--text-medium);
    margin-top: 0.5rem;
}

/* -- Main Content Grid -- */
.main-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .main-content {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
    .summary-box {
        grid-column: span 2;
    }
}

/* -- Card Styling -- */
.card {
    background-color: var(--neutral-card-bg);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
}

.help-text {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

/* -- Form Elements -- */
.form-group {
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-medium);
    margin-bottom: 0.25rem;
}

.input-group {
    display: flex;
    gap: 0.5rem;
}

.form-select {
    flex-grow: 1;
    width: 100%;
    padding: 0.625rem 0.75rem;
    background-color: var(--neutral-card-bg);
    border: 1px solid var(--neutral-border);
    border-radius: var(--border-radius);
    box-shadow: inset 0 1px 2px 0 rgb(0 0 0 / 0.05);
    min-height: 44px;
}

.form-status {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: 0.25rem;
    min-height: 1rem;
}

.file-input {
    display: none;
}

/* -- Unit Toggle Switch -- */
.unit-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}
.unit-toggle-label {
    font-size: 0.875rem;
    color: var(--text-medium);
}
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    background-color: #ccc;
    border-radius: 34px;
    transition: background-color 0.3s;
}
.toggle-switch:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s;
}
input:checked + .toggle-switch {
    background-color: var(--primary-blue);
}
input:checked + .toggle-switch:before {
    transform: translateX(20px);
}
.toggle-input {
    display: none;
}


/* -- Buttons -- */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: background-color: 0.3s ease;
    text-align: center;
    min-height: 44px;
}

.button:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
}

.button-primary {
    background-color: var(--primary-blue);
    color: var(--text-white);
}
.button-primary:hover:not(:disabled) {
    background-color: #2563eb;
}

.button-secondary {
    background-color: #e5e7eb;
    color: var(--text-medium);
}
.button-secondary:hover:not(:disabled) {
    background-color: #d1d5db;
}

.button-accent {
    background-color: var(--primary-green);
    color: var(--text-white);
}
.button-accent:hover:not(:disabled) {
    background-color: #16a34a;
}

.link-button {
    background: none;
    border: none;
    color: var(--primary-blue);
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
    font-size: 0.875rem;
    text-align: left;
    margin-top: 0.5rem;
}

/* -- Image Preview & Results -- */
.image-preview-container {
    text-align: center;
}
.image-preview {
    max-width: 100%;
    max-height: 16rem;
    margin: 0 auto;
    border-radius: var(--border-radius);
    box-shadow: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
}

.result-box {
    background-color: var(--neutral-bg);
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--neutral-border);
}
.result-title {
    font-weight: 600;
    color: var(--text-medium);
}
.result-species {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}
.regs-list {
    list-style-position: inside;
    padding-left: 0;
    margin-top: 0.5rem;
    font-size: 0.875rem;
}
.regs-list li {
    margin-bottom: 0.25rem;
}

/* -- Loader & Messages -- */
.loader-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-light);
}
.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-blue);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.error-box {
    background-color: #fee2e2;
    color: #b91c1c;
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid #fecaca;
    text-align: center;
    font-weight: 500;
}

.warning-text {
    color: var(--accent-amber);
    font-weight: 700;
    margin-top: 0.5rem;
}
.out-of-season {
    color: var(--accent-red);
    font-weight: 700;
}
.details-text {
    color: var(--text-medium);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* -- Instructions Box -- */
.instructions-box {
    background-color: #eff6ff;
    border: 1px solid #bfdbfe;
    padding: 1rem;
    border-radius: var(--border-radius);
}
.instructions-list {
    list-style-type: decimal;
    list-style-position: inside;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    color: var(--text-medium);
}
.instruction-image {
    text-align: center;
    margin: 0.5rem 0;
}
.instruction-image img {
    height: 3rem;
    width: 3rem;
    margin: 0 auto;
}

/* -- Summary Box -- */
.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}
.close-button {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-light);
    background: none;
    border: none;
    cursor: pointer;
}
.summary-content {
    /* Styles for the summary content container */
}
.summary-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.summary-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--neutral-border);
}
.summary-list li:last-child {
    border-bottom: none;
}

/* -- Footer -- */
.app-footer {
    text-align: center;
    margin-top: 3rem;
    padding: 1rem;
    font-size: 0.75rem;
    color: var(--text-light);
}
.app-footer a {
    color: var(--primary-blue);
    text-decoration: underline;
}

/* -- Accessibility -- */
:focus-visible {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* -- Modal Styles -- */
.modal-overlay {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1000; /* Sit on top */
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6); /* Black w/ opacity */
  justify-content: center;
  align-items: center;
}

.modal-content {
  background-color: var(--neutral-card-bg);
  margin: 1rem;
  padding: 1.5rem;
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 600px;
  max-height: 90vh; /* Max height to prevent overflow on small screens */
  overflow-y: auto; /* Enable scrolling for content */
  position: relative;
  box-shadow: var(--shadow);
}

.modal-close-button {
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  color: var(--text-light);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: color 0.2s ease;
}

.modal-close-button:hover,
.modal-close-button:focus {
  color: var(--text-dark);
}

/* Class to show the modal */
.show-modal {
  display: flex;
}

.modal-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.25rem;
}

.modal-scientific-name {
    font-style: italic;
    color: var(--text-medium);
    margin-bottom: 1rem;
}

.modal-section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    border-bottom: 2px solid var(--primary-blue);
    padding-bottom: 0.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.modal-text {
    color: var(--text-medium);
    margin-bottom: 1rem;
}

.modal-list {
    list-style-position: inside;
    padding-left: 0.5rem;
    color: var(--text-medium);
}

.modal-list li {
    margin-bottom: 0.5rem;
}

.summary-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.summary-table th, .summary-table td {
    padding: 0.75rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--neutral-border);
}

.summary-table th {
    font-weight: 600;
    /* MODIFICATION: Increased font size */
    font-size: 1rem; 
    color: var(--text-medium);
}

.summary-table tbody tr:last-child td {
    border-bottom: none;
}

.summary-table tbody tr:hover {
    background-color: var(--neutral-bg);
}