/* --- Base & Variables (Unified Theme) --- */
:root {
    /* Light Theme Colors */
    --bg-light: #f8f9fa;
    --card-bg-light: #ffffff;
    --text-light: #212529;
    --text-muted-light: #6c757d;
    --border-light: #dee2e6;
    --input-bg-light: #f1f3f5;
    --header-bg-light: rgba(255, 255, 255, 0.85);
    --nav-drawer-bg-light: #f8f9fa;
    --shadow-light: rgba(0, 0, 0, 0.08);
    --btn-secondary-bg-light: transparent;
    --btn-secondary-text-light: var(--primary-color);
    --btn-secondary-border-light: var(--primary-color);
    --btn-secondary-hover-bg-light: var(--primary-color);
    --btn-secondary-hover-text-light: #ffffff;

    /* Dark Theme Colors */
    --dark-bg: #121212;
    --card-bg-dark: #1e1e1e;
    --text-dark: #f5f5f5;
    --text-muted-dark: #aaa;
    --border-dark: #444;
    --input-bg-dark: #2a2a2a;
    --header-bg-dark: rgba(18, 18, 18, 0.85);
    --nav-drawer-bg-dark: var(--card-bg-dark);
    --shadow-dark: rgba(0, 0, 0, 0.25);
    --btn-secondary-bg-dark: transparent;
    --btn-secondary-text-dark: var(--text-muted-dark);
    --btn-secondary-border-dark: var(--border-dark);
    --btn-secondary-hover-bg-dark: var(--border-dark);
    --btn-secondary-hover-text-dark: var(--text-dark);

    /* Shared Accent Colors */
    --primary-color: #8A2BE2;
    --primary-hover: #7B1FA2;
    --error-color: #dc3545;
    --success-color: #198754;
    --shadow-color-primary: rgba(138, 43, 226, 0.2);

    /* Global Font & Transitions */
    --font-family: 'Poppins', sans-serif;
    --transition-speed: 0.3s;
    --border-radius: 8px;
    --header-height: 65px;

    /* Default Theme (Dark) */
    --current-bg: var(--dark-bg);
    --current-card-bg: var(--card-bg-dark);
    --current-text: var(--text-dark);
    --current-text-muted: var(--text-muted-dark);
    --current-border: var(--border-dark);
    --current-input-bg: var(--input-bg-dark);
    --current-header-bg: var(--header-bg-dark);
    --current-nav-drawer-bg: var(--nav-drawer-bg-dark);
    --current-shadow: var(--shadow-dark);
    --current-btn-secondary-bg: var(--btn-secondary-bg-dark);
    --current-btn-secondary-text: var(--btn-secondary-text-dark);
    --current-btn-secondary-border: var(--btn-secondary-border-dark);
    --current-btn-secondary-hover-bg: var(--btn-secondary-hover-bg-dark);
    --current-btn-secondary-hover-text: var(--btn-secondary-hover-text-dark);
    color-scheme: dark;
}

/* Light Theme Overrides */
html.light-theme {
    --current-bg: var(--bg-light);
    --current-card-bg: var(--card-bg-light);
    --current-text: var(--text-light);
    --current-text-muted: var(--text-muted-light);
    --current-border: var(--border-light);
    --current-input-bg: var(--input-bg-light);
    --current-header-bg: var(--header-bg-light);
    --current-nav-drawer-bg: var(--nav-drawer-bg-light);
    --current-shadow: var(--shadow-light);
    --current-btn-secondary-bg: var(--btn-secondary-bg-light);
    --current-btn-secondary-text: var(--btn-secondary-text-light);
    --current-btn-secondary-border: var(--btn-secondary-border-light);
    --current-btn-secondary-hover-bg: var(--btn-secondary-hover-bg-light);
    --current-btn-secondary-hover-text: var(--btn-secondary-hover-text-light);
    color-scheme: light;
}

/* --- Global & Base Styles --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; height: 100%; }
body { font-family: var(--font-family); background-color: var(--current-bg); color: var(--current-text); line-height: 1.6; font-weight: 300; min-height: 100%; display: flex; flex-direction: column; overflow-x: hidden; }
h1, h2, h3, h4 { font-weight: 600; margin-top: 0; line-height: 1.3; color: var(--current-text); }
a { color: var(--primary-color); text-decoration: none; }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; height: auto; display: block; }

/* --- Navigation Styles (Consistent) --- */
.header { background-color: var(--current-header-bg); backdrop-filter: blur(10px); position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; border-bottom: 1px solid var(--current-border); height: var(--header-height); }
.header-container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; display: flex; justify-content: space-between; align-items: center; height: 100%; }
.header-left { display: flex; align-items: center; }
.menu-btn { background: none; border: none; padding: 0.5rem; margin-right: 1rem; cursor: pointer; z-index: 1101; }
.menu-btn .bar { display: block; width: 25px; height: 3px; background-color: var(--current-text); margin: 5px auto; transition: all 0.3s ease-in-out; border-radius: 3px; }
.menu-btn.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.menu-btn.active .bar:nth-child(2) { opacity: 0; }
.menu-btn.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.app-logo { display: flex; align-items: center; text-decoration: none; }
.logo-icon { color: var(--primary-color); font-size: 1.8rem; margin-right: 0.5rem; }
.app-title { font-size: 1.5rem; font-weight: 600; margin: 0; color: var(--current-text); }
.header-right { display: flex; align-items: center; gap: 1rem; }
.theme-switch { position: relative; display: inline-block; width: 50px; height: 26px; cursor: pointer; }
.theme-switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #444; transition: var(--transition-speed); border-radius: 26px; }
.slider:before { position: absolute; content: ""; height: 20px; width: 20px; left: 3px; bottom: 3px; background-color: white; transition: var(--transition-speed); border-radius: 50%; }
input:checked + .slider { background-color: var(--primary-color); }
input:checked + .slider:before { transform: translateX(24px); }
.slider-icon { position: absolute; top: 50%; transform: translateY(-50%); font-size: 0.8rem; opacity: 0.7; }
.slider-icon.light { left: 6px; color: #f1c40f; opacity: 0; }
.slider-icon.dark { right: 6px; color: #bdc3c7; }
input:checked ~ .slider .slider-icon.light { opacity: 1; }
input:checked ~ .slider .slider-icon.dark { opacity: 0; }
html.light-theme .slider { background-color: #ccc; }
.profile-link { color: var(--current-text-muted); font-size: 1.6rem; transition: color var(--transition-speed) ease; }
.profile-link:hover, .profile-link.active { color: var(--primary-color); }
.overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.6); z-index: 1099; opacity: 0; visibility: hidden; transition: opacity var(--transition-speed) ease; }
.overlay.active { opacity: 1; visibility: visible; }
.nav-drawer { position: fixed; top: 0; left: 0; height: 100%; width: 280px; background-color: var(--current-nav-drawer-bg); z-index: 1100; transform: translateX(-100%); transition: transform 0.35s ease; box-shadow: 5px 0px 15px var(--current-shadow); display: flex; flex-direction: column; }
.nav-drawer.active { transform: translateX(0); }
.nav-drawer-header { padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--current-border); }
.nav-drawer-title { margin: 0; font-size: 1.3rem; }
.nav-drawer ul { list-style: none; padding: 1rem 0; margin: 0; flex-grow: 1; }
.nav-link { display: flex; align-items: center; padding: 0.9rem 1.5rem; color: var(--current-text-muted); text-decoration: none; font-weight: 400; border-left: 3px solid transparent; }
.nav-link:hover, .nav-link.active-page { background-color: rgba(138, 43, 226, 0.1); color: var(--primary-color); border-left-color: var(--primary-color); }
.nav-icon { margin-right: 1rem; width: 20px; text-align: center; color: var(--primary-color); }
.nav-footer { margin-top: auto; padding: 1rem 1.5rem; border-top: 1px solid var(--current-border); }
.btn-logout { width: 100%; }
body.nav-open { overflow: hidden; }

/* --- Main Content Area --- */
.report-main { padding-top: var(--header-height); flex-grow: 1; width: 100%; display: flex; align-items: flex-start; justify-content: center; }
.main-content-container { max-width: 900px; width: 100%; margin: 0 auto; padding: 2rem 1rem; }

/* --- Report Form Card --- */
.report-form-card { background-color: var(--current-card-bg); padding: 2rem 2.5rem; border-radius: var(--border-radius); box-shadow: 0 10px 30px var(--current-shadow); border: 1px solid var(--current-border); width: 100%; }
.report-form-card h2 { font-size: 1.8rem; margin-bottom: 0.5rem; text-align: center; }
.report-form-card .subtitle { font-size: 0.95rem; color: var(--current-text-muted); margin-bottom: 2.5rem; text-align: center; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2rem; }
.form-column { display: flex; flex-direction: column; }

/* --- Input Group & Floating Labels --- */
.input-group { position: relative; margin-bottom: 1.5rem; }
.input-group .input-icon { position: absolute; left: 15px; top: 15px; color: var(--current-text-muted); transition: color var(--transition-speed) ease; }
.input-group input, .input-group textarea, .input-group select { width: 100%; padding: 14px 15px 14px 45px; font-size: 1rem; background-color: var(--current-input-bg); color: var(--current-text); border: 1px solid var(--current-border); border-radius: var(--border-radius); transition: all var(--transition-speed) ease; outline: none; }
.input-group textarea { resize: vertical; min-height: 100px; }
.input-group select { cursor: pointer; appearance: none; }
html:not(.light-theme) .input-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23aaa'%3E%3Cpath d='M6 9l-4-4h8z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; }
html.light-theme .input-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236c757d'%3E%3Cpath d='M6 9l-4-4h8z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; }
.input-group select option { background-color: var(--current-card-bg); color: var(--current-text); }
.input-group.floating label { position: absolute; left: 45px; top: 15px; color: var(--current-text-muted); pointer-events: none; transition: all 0.2s ease; background-color: var(--current-card-bg); padding: 0 5px; }
.input-group input:focus, .input-group textarea:focus, .input-group select:focus { border-color: var(--primary-color); }
.input-group input:focus ~ label, .input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:focus ~ label, .input-group textarea:not(:placeholder-shown) ~ label,
.input-group select:focus ~ label, .input-group select:valid ~ label { top: -10px; left: 10px; font-size: 0.75rem; color: var(--primary-color); }
.input-group.date-group input[type="date"]:required:invalid + label { transform: none; } /* Prevent label from moving on invalid date */
.input-error-message { color: var(--error-color); font-size: 0.8rem; font-weight: 500; padding-top: 4px; min-height: 1.2em; display: block; visibility: hidden; opacity: 0; transition: opacity 0.3s; }
.input-group.error .input-error-message { visibility: visible; opacity: 1; }
.input-group.error input, .input-group.error textarea, .input-group.error select { border-color: var(--error-color); }
.input-group.error label, .input-group.error .input-icon { color: var(--error-color); }

/* --- Image Upload & Disclaimer --- */
.image-upload-label { font-weight: 500; font-size: 0.9rem; margin-bottom: 0.5rem; color: var(--current-text); text-align: left; }
.image-upload-zone { border: 2px dashed var(--current-border); border-radius: var(--border-radius); padding: 1.5rem; text-align: center; background-color: var(--current-input-bg); cursor: pointer; transition: all var(--transition-speed) ease; position: relative; min-height: 150px; display: flex; align-items: center; justify-content: center; }
.image-upload-zone.dragover { border-color: var(--primary-color); background-color: rgba(138, 43, 226, 0.1); }
.upload-placeholder { color: var(--current-text-muted); }
.upload-icon { font-size: 2.5rem; margin-bottom: 0.75rem; color: var(--primary-color); }
.image-preview-container { width: 100%; height: 100%; position: absolute; top: 0; left: 0; display: flex; padding: 10px; }
.image-preview { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 4px; margin: auto; }
.btn-remove-image { position: absolute; top: 10px; right: 10px; background-color: rgba(0, 0, 0, 0.6); color: white; border: none; border-radius: 50%; width: 28px; height: 28px; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.disclaimer { background-color: rgba(138, 43, 226, 0.1); color: var(--current-text-muted); border-left: 4px solid var(--primary-color); padding: 1rem; margin: 1.5rem 0; border-radius: var(--border-radius); display: flex; align-items: center; gap: 1rem; }
.disclaimer i { font-size: 1.5rem; color: var(--primary-color); }
.disclaimer p { margin: 0; font-size: 0.9rem; }
html.light-theme .disclaimer { color: var(--text-light); }

/* --- Buttons (Consistent) --- */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.8rem 1.8rem; border-radius: var(--border-radius); font-weight: 500; font-size: 0.95rem; cursor: pointer; border: 1px solid transparent; transition: all var(--transition-speed) ease; text-transform: uppercase; letter-spacing: 0.5px; position: relative; overflow: hidden; }
.btn .btn-text { transition: opacity var(--transition-speed) ease; }
.btn-primary { background-color: var(--primary-color); color: #fff; border-color: var(--primary-color); box-shadow: 0 4px 15px var(--shadow-color-primary); }
.btn-primary:hover:not(:disabled) { background-color: var(--primary-hover); border-color: var(--primary-hover); transform: translateY(-2px); }
.btn-secondary { background-color: var(--current-btn-secondary-bg); color: var(--current-btn-secondary-text); border: 1px solid var(--current-btn-secondary-border); }
.btn-secondary:hover:not(:disabled) { background-color: var(--current-btn-secondary-hover-bg); color: var(--current-btn-secondary-hover-text); transform: translateY(-2px); }
.btn-tertiary { background-color: transparent; color: var(--current-text-muted); border-color: var(--current-border); }
.btn-tertiary:hover { background-color: rgba(138, 43, 226, 0.1); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.spinner { display: inline-block; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 20px; height: 20px; border: 2px solid rgba(255, 255, 255, 0.3); border-radius: 50%; border-top-color: #fff; animation: spin 1s linear infinite; opacity: 0; }
.btn.loading .btn-text { opacity: 0; }
.btn.loading .spinner { opacity: 1; }
@keyframes spin { to { transform: rotate(360deg); } }
.btn-submit-report { width: 100%; padding: 0.9rem; font-size: 1rem; }

/* --- Form Message --- */
.form-message { padding: 0.8rem 1rem; border-radius: var(--border-radius); margin-bottom: 1.5rem; text-align: center; display: none; border-left: 4px solid transparent; }
.form-message.show { display: block; animation: fadeIn 0.3s ease-out; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.form-message.error { background-color: rgba(220, 53, 69, 0.1); color: var(--error-color); border-left-color: var(--error-color); }
.form-message.success { background-color: rgba(25, 135, 84, 0.1); color: var(--success-color); border-left-color: var(--success-color); }

/* --- Next Steps Card --- */
.next-steps-card { background-color: var(--current-card-bg); padding: 1.5rem 2rem; border-radius: var(--border-radius); border: 1px solid var(--current-border); margin-top: 2rem; }
.next-steps-card h3 { font-size: 1.3rem; margin-bottom: 1rem; color: var(--primary-color); display: flex; align-items: center; gap: 0.75rem; }
.next-steps-card p { color: var(--current-text-muted); margin-bottom: 1rem; }
.next-steps-card ol { list-style-position: inside; padding-left: 0; }
.next-steps-card li { margin-bottom: 0.75rem; }
.next-steps-card li::marker { font-weight: 600; color: var(--primary-color); }

/* --- Footer (Consistent) --- */
.footer { background-color: var(--current-card-bg); text-align: center; color: var(--current-text-muted); font-size: 0.9rem; padding: 1.5rem 1rem; border-top: 1px solid var(--current-border); margin-top: auto; }

/* --- Animations & Responsive --- */
.animate-on-load { opacity: 0; transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-in { transform: translateY(20px); }
.animate-on-load.is-visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.2s; }

@media (max-width: 768px) {
    .main-content-container { padding: 1.5rem 1rem; }
    .form-grid { grid-template-columns: 1fr; }
    .report-form-card, .next-steps-card { padding: 1.5rem; }
}