/* ตั้งค่าพื้นฐาน */
:root {
    --primary-color: #ff6b00;
    --primary-dark: #e05a00;
    --secondary-color: #2d3e50;
    --secondary-light: #34495e;
    --accent-color: #3498db;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --danger-color: #e74c3c;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --text-color: #333;
    --text-light: #7f8c8d;
    --border-color: #ddd;
    --border-radius: 8px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --font-family: 'Prompt', 'Kanit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* นำเข้าฟอนต์ไทย */
@import url('https://fonts.googleapis.com/css2?family=Prompt:wght@300;400;500;600;700&family=Kanit:wght@300;400;500;600;700&display=swap');

/* รีเซ็ต CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: #f8f9fa;
    line-height: 1.6;
}

/* คอนเทนเนอร์หลัก */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ส่วนหัว */
header {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: center;
    box-shadow: var(--box-shadow);
}

header h1 {
    font-size: 1.8rem;
    font-weight: 600;
}

header h1 span {
    font-size: 1rem;
    font-weight: 300;
    display: block;
    margin-top: 0.2rem;
}

/* ส่วนหลัก */
main {
    flex: 1;
    padding: 1rem;
}

/* แดชบอร์ด */
.dashboard {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1rem;
    margin-bottom: 5rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.dashboard-header h2 {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.add-task-btn {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.add-task-btn:hover {
    background-color: var(--primary-dark);
    transform: scale(1.05);
}

/* ตัวกรองงาน */
.task-filters {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.filter-btn {
    padding: 0.5rem 1rem;
    background-color: var(--light-color);
    border: none;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

/* รายการงาน */
.tasks-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.task-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition);
    border-left: 4px solid var(--primary-color);
    cursor: pointer;
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.task-card.priority-1 {
    border-left-color: var(--accent-color);
}

.task-card.priority-2 {
    border-left-color: var(--warning-color);
}

.task-card.priority-3 {
    border-left-color: var(--danger-color);
}

.task-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.task-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--secondary-color);
}

.task-priority {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    color: white;
}

.priority-1 .task-priority {
    background-color: var(--accent-color);
}

.priority-2 .task-priority {
    background-color: var(--warning-color);
}

.priority-3 .task-priority {
    background-color: var(--danger-color);
}

.task-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-light);
}

/* สถานะงาน */
.task-status {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: white;
}

.task-status.pending {
    background-color: #6c757d;  /* สีเทา */
}

.task-status.in-progress {
    background-color: #ffc107;  /* สีเหลือง */
}

.task-status.completed {
    background-color: #28a745;  /* สีเขียว */
}

.task-deadline {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.task-deadline i {
    color: var(--text-light);
}

.deadline-close {
    color: var(--danger-color);
}

.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
}

/* เนวิเกชั่นด้านล่าง */
.bottom-navbar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    display: flex;
    justify-content: space-around;
    padding: 0.8rem 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-light);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.nav-item i {
    font-size: 1.3rem;
    margin-bottom: 0.2rem;
}

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

/* ฟอร์มเพิ่มงาน */
.add-task-container,
.task-detail-container {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1rem;
    margin-bottom: 5rem;
}

.form-container {
    background-color: white;
    border-radius: 12px;
    padding: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    margin-bottom: 80px;
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 1px solid #f1f1f1;
    padding-bottom: 15px;
}

.form-header h2 {
    font-size: 1.8rem;
    margin: 0;
    color: var(--secondary-color);
}

.back-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: #f1f1f1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateX(-3px);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #444;
}

.form-group .required {
    color: #dc3545;
}

.form-group input[type="text"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="date"]:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
    outline: none;
}

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

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 30px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 0, 0.2);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-secondary:hover {
    background-color: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.2);
}

.image-upload-container {
    position: relative;
}

.image-preview {
    width: 100%;
    min-height: 120px;
    border: 2px dashed #ddd;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: #666;
    transition: all 0.3s ease;
    cursor: pointer;
}

.image-preview:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.image-preview i {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.image-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.current-image-container {
    margin-top: 15px;
    text-align: center;
}

.current-image-preview {
    max-width: 100%;
    max-height: 200px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin: 10px 0;
}

.small-text {
    font-size: 0.8rem;
    color: #666;
    margin-top: 5px;
}

/* รายละเอียดงาน */
.task-info {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.task-info-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.task-info-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--secondary-color);
}

.task-info-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.85rem;
    color: var(--text-light);
}

.meta-value {
    font-weight: 500;
}

.task-info-desc {
    margin-bottom: 1rem;
}

.task-info-image {
    margin-top: 1rem;
}

.task-info-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
}

.task-updates h3,
.add-update-form h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.update-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.update-item {
    background-color: var(--light-color);
    padding: 1rem;
    border-radius: var(--border-radius);
}

.update-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.update-content {
    margin-bottom: 0.8rem;
}

.update-image img {
    max-width: 100%;
    border-radius: var(--border-radius);
}

.add-update-form {
    background-color: var(--light-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.share-task-container {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background-color: var(--secondary-light);
}

/* หน้าแชร์งาน */
.shared-container {
    max-width: 768px;
}

.access-form {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
}

.access-form h3 {
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.timer-container {
    margin-top: 1.5rem;
    color: var(--text-light);
}

.timer-container span {
    font-weight: 600;
    color: var(--danger-color);
}

.expired-message {
    text-align: center;
    padding: 3rem 1rem;
}

.expired-message i {
    font-size: 3rem;
    color: var(--danger-color);
    margin-bottom: 1rem;
}

.expired-message h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.expired-message p {
    color: var(--text-light);
}

footer {
    text-align: center;
    padding: 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Responsive */
@media (min-width: 768px) {

    .dashboard,
    .add-task-container,
    .task-detail-container {
        padding: 2rem;
    }

    .task-info-meta {
        grid-template-columns: repeat(4, 1fr);
    }

    .form-actions {
        margin-top: 1.5rem;
    }
}

@media (max-width: 480px) {

    .dashboard-header h2,
    .form-header h2,
    .detail-header h2 {
        font-size: 1.3rem;
    }

    .form-group input[type="text"],
    .form-group input[type="date"],
    .form-group textarea,
    .form-group select {
        padding: 0.7rem;
        font-size: 0.95rem;
    }

    .btn-primary,
    .btn-secondary {
        padding: 0.7rem 1.2rem;
        font-size: 0.95rem;
    }
}

/* ส่วนของหน้าล็อกอิน */
.login-container {
    background-color: #f8f9fa;
}

.login-form-container {
    max-width: 450px;
    margin: 2rem auto;
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.login-form-container h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.login-form {
    margin-bottom: 1.5rem;
}

.login-form .form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--secondary-color);
}

.login-form .form-group label i {
    color: var(--primary-color);
}

.login-form .form-actions {
    justify-content: center;
    margin-top: 1.5rem;
}

.login-form .btn-primary {
    width: 100%;
    text-align: center;
}

.error-message {
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--danger-color);
    padding: 0.8rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.login-info {
    background-color: var(--light-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    color: var(--text-light);
    font-size: 0.9rem;
}

.login-info p {
    margin-bottom: 0.5rem;
}

.login-info ul {
    list-style-type: none;
    padding-left: 0.5rem;
}

.login-info ul li {
    margin-bottom: 0.3rem;
}

.login-info ul li strong {
    color: var(--secondary-color);
}

/* ข้อมูลผู้ใช้ใน Navbar */
.user-info {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.user-info:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.user-info .username {
    font-weight: 500;
}

.user-info i {
    font-size: 0.9rem;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background-color: white;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
    width: 200px;
    z-index: 1001;
    display: none;
}

.user-dropdown.active {
    display: block;
}

.user-dropdown-item {
    padding: 0.8rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.user-dropdown-item:hover {
    background-color: var(--light-color);
}

.user-dropdown-item.logout {
    color: var(--danger-color);
    border-top: 1px solid var(--border-color);
}

.user-dropdown-item i {
    color: var(--primary-color);
}

.user-dropdown-item.logout i {
    color: var(--danger-color);
}

/* เพิ่ม CSS สำหรับหน้าโปรไฟล์ */
.success-message {
    background-color: rgba(46, 204, 113, 0.1);
    color: var(--success-color);
    padding: 0.8rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

input[readonly] {
    background-color: var(--light-color);
    cursor: not-allowed;
}