/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #066aab;
    --text-color: rgba(0, 0, 0, 0.85);
    --text-secondary: rgba(0, 0, 0, 0.55);
    --border-color: rgba(0, 0, 0, 0.25);
    --background: #f5f5f7;
    --card-background: #ffffff;
    --success-color: #34c759;
    --error-color: #ff3b30;
    --warning-color: #ff9500;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--background);
    color: var(--text-color);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* Container */
.app-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    padding-bottom: 200px; /* Space for bottom nav and all buttons */
    min-height: 100vh; /* Ensure full height for scrolling */
    overflow-y: auto !important;
}

/* Header */
.app-header {
    background: var(--card-background);
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
}

.app-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
}

/* Cards */
.app-card {
    background: var(--card-background);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.app-card h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-color);
}

.app-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-color);
}

/* Form Elements */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 8px;
}

.form-label.required::after {
    content: ' *';
    color: var(--error-color);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--card-background);
    color: var(--text-color);
    transition: all 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(6, 106, 171, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Radio Buttons */
.radio-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.radio-option input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.radio-option label {
    cursor: pointer;
    font-size: 16px;
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.file-upload:hover {
    border-color: var(--primary-color);
    background: rgba(6, 106, 171, 0.05);
}

.file-upload input[type="file"] {
    display: none;
}

.file-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 16px;
}

.file-preview-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.file-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.file-preview-item .remove-file {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

/* Signature Pad */
.signature-pad {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: white;
    cursor: crosshair;
}

.signature-controls {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #055a91;
}

.btn-secondary {
    background: #f0f0f0;
    color: var(--text-color);
}

.btn-secondary:hover {
    background: #e0e0e0;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Messages */
.message {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    animation: slideDown 0.3s ease;
}

.message-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading Spinner */
.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

/* Bottom Navigation */
.bottom-nav {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--card-background);
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
    padding: 12px 0;
    z-index: 1000;
}

.bottom-nav-content {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 12px;
    padding: 8px 12px;
    transition: all 0.2s;
}

.nav-item.active {
    color: var(--primary-color);
}

.nav-item:hover {
    color: var(--primary-color);
}

.nav-icon {
    font-size: 24px;
    margin-bottom: 4px;
}

/* Stats Card */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.stat-item {
    background: var(--background);
    padding: 16px;
    border-radius: 8px;
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Report Card */
.report-card {
    background: var(--card-background);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
    cursor: pointer;
    transition: all 0.2s;
}

.report-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

.report-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.report-type {
    font-weight: 600;
    font-size: 16px;
}

.report-status {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.report-status.completed {
    background: var(--success-color);
    color: white;
}

.report-status.pending {
    background: var(--warning-color);
    color: white;
}

.report-date {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-card {
    background: var(--card-background);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    max-width: 400px;
    width: 100%;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo h1 {
    font-size: 28px;
    color: var(--primary-color);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        padding: 12px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}

/* Utilities */
.text-center {
    text-align: center;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mb-10 {
    margin-bottom: 10px;
}

.mb-20 {
    margin-bottom: 20px;
}

.hidden {
    display: none !important;
}

/* Hamburger Menu Icon */
.menu-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 100;
}

.menu-icon span {
    width: 24px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: all 0.3s;
}

/* Drawer Overlay */
.drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

/* Drawer Menu */
.drawer-menu {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    height: 100vh;
    background: white;
    z-index: 999;
    transition: left 0.3s;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
}

.drawer-menu.open {
    left: 0;
}

.drawer-header {
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--primary-color);
    color: white;
}

.drawer-header h2 {
    margin: 0;
    font-size: 20px;
}

.drawer-close {
    background: none;
    border: none;
    font-size: 32px;
    color: white;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.drawer-nav {
    display: flex;
    flex-direction: column;
    padding: 10px 0;
}

.drawer-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px 20px;
    color: #333;
    text-decoration: none;
    transition: background 0.2s;
    border-left: 4px solid transparent;
}

.drawer-item:hover,
.drawer-item:active {
    background: #f5f5f7;
}

.drawer-item.active {
    background: #e3f2fd;
    border-left-color: var(--primary-color);
    color: var(--primary-color);
    font-weight: 600;
}

.drawer-icon {
    font-size: 20px;
    width: 24px;
    text-align: center;
}

.app-header {
    position: relative;
}