/* assets/css/style.css - NEW FILE */
@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;700&display=swap');

/* --- CSS Variables for Theming --- */
:root {
    --primary-color: #3498db;
    --primary-hover: #2980b9;
    --secondary-color: #2ecc71;
    --secondary-hover: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --success-color: #2ecc71;
    --info-color: #3498db;

    --bg-color: #f4f7f9;
    --card-bg: #ffffff;
    --text-color: #34495e;
    --text-light: #7f8c8d;
    --border-color: #ecf0f1;
    --input-bg: #ecf0f1;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
    --radius: 8px;
    --radius-lg: 12px;
}

[data-theme="dark"] {
    --primary-color: #3498db;
    --primary-hover: #5dade2;
    --secondary-color: #2ecc71;
    --secondary-hover: #58d68d;
    
    --bg-color: #1c2833;
    --card-bg: #283747;
    --text-color: #ecf0f1;
    --text-light: #bdc3c7;
    --border-color: #34495e;
    --input-bg: #34495e;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

/* --- General Styles --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Kanit', sans-serif;
}

body {
    
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}
body.login-page {
    flex-direction: column;
    justify-content: space-between;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* --- Header --- */
.header {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 20px 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    transition: background-color 0.3s;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.header h1 {
    font-size: 1.8rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info {
    font-weight: 500;
    color: var(--text-light);
}

.theme-switcher {
    background: none;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    color: var(--text-light);
    transition: all 0.3s;
}

.theme-switcher:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* --- Buttons --- */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #fff;
}

.btn-warning { background-color: var(--warning-color); color: #fff; }
.btn-success { background-color: var(--success-color); color: #fff; }
.btn-danger { background-color: var(--danger-color); color: #fff; }
.btn-info { background-color: var(--info-color); color: #fff; }


.btn-icon {
    border: none;
    padding: 8px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    color: #fff;
    transition: all 0.2s;
}

.btn-icon:hover {
    transform: scale(1.1);
    opacity: 0.9;
}

/* --- Cards & Dashboard --- */
.financial-summary, .stats-grid, .action-bar, .table-container, .form-container {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    transition: background-color 0.3s;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.stat-card {
    display: flex;
    align-items: center;
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--radius);
    transition: all 0.3s;
}
.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.stat-icon {
    font-size: 1.8rem;
    padding: 15px;
    border-radius: 50%;
    margin-right: 20px;
    color: #fff;
}

.bg-blue { background-color: var(--primary-color); }
.bg-orange { background-color: var(--warning-color); }
.bg-green { background-color: var(--success-color); }

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.stat-info p {
    color: var(--text-light);
    margin: 0;
}

/* --- Action Bar & Search --- */
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-box {
    position: relative;
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.search-box input {
    padding: 10px 15px 10px 40px;
    border-radius: var(--radius);
    border: 2px solid var(--border-color);
    background-color: var(--input-bg);
    color: var(--text-color);
    min-width: 300px;
    transition: all 0.3s;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* --- Tabs --- */
.tab-nav {
    display: flex;
    gap: 5px;
    margin-bottom: -2px; /* Pulls up to align with table container */
    padding: 0 25px;
}

.tab-link {
    padding: 12px 25px;
    border: 2px solid transparent;
    border-bottom: none;
    background: var(--bg-color);
    border-radius: var(--radius) var(--radius) 0 0;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}
.tab-link:hover {
    background: var(--card-bg);
    color: var(--primary-color);
}
.tab-link.active {
    background: var(--card-bg);
    border-color: var(--border-color);
    color: var(--primary-color);
    position: relative;
    z-index: 2;
}

/* --- Data Table --- */
.table-container {
    overflow-x: auto;
    position: relative;
    z-index: 1;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    padding: 15px;
    text-align: center; /* << แก้เป็น center */
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.data-table th {
    font-weight: 700;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.data-table tbody tr {
    transition: background-color 0.2s;
}

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

.data-table .profile-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    cursor: pointer;
}

.data-table .actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.tab-content { display: none; }

/* --- Forms --- */
.form-container { padding: 30px; }
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}
.form-section {
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.form-section h3 {
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
}
.form-group {
    display: flex;
    flex-direction: column;
}
.form-group label {
    font-weight: 500;
    margin-bottom: 5px;
    color: var(--text-light);
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background-color: var(--input-bg);
    color: var(--text-color);
    font-family: 'Kanit', sans-serif;
    transition: all 0.3s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--card-bg);
}
.form-row {
    display: flex;
    gap: 20px;
}
.form-row .form-group {
    flex: 1;
}
.full-width {
    grid-column: 1 / -1;
}
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}
.input-group {
    position: relative;
    display: flex;
}
.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}
.input-group input {
    padding-left: 40px;
}


/* --- Alerts --- */
.alert {
    padding: 15px 20px;
    margin-bottom: 20px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    gap: 15px;
}
.alert-success {
    background-color: rgba(46, 204, 113, 0.1);
    color: #249553;
    border: 1px solid #2ecc71;
}
.alert-error {
    background-color: rgba(231, 76, 60, 0.1);
    color: #c0392b;
    border: 1px solid #e74c3c;
}
.alert ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* --- Login/Register Page --- */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}
.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}
.login-box {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
}
.login-header .logo {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}
.login-header h2 {
    margin-bottom: 5px;
    font-size: 1.8rem;
}
.login-header p {
    color: var(--text-light);
    margin-bottom: 30px;
}
.login-form .form-group {
    text-align: left;
    margin-bottom: 20px;
}
.btn-full {
    width: 100%;
    padding: 12px;
    font-size: 1.1rem;
}
.login-footer {
    margin-top: 25px;
    font-size: 0.9rem;
}

/* --- Modals --- */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.6);
    animation: fadeIn 0.3s;
}
.modal-content {
    background-color: var(--card-bg);
    margin: 10% auto;
    padding: 30px;
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 700px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
}
.close {
    color: var(--text-light);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}
.close:hover, .close:focus {
    color: var(--danger-color);
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .header-content, .action-bar {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    .search-box {
        width: 100%;
    }
    .search-box input {
        min-width: 0;
        width: 100%;
    }
    .tab-nav {
        flex-wrap: wrap;
    }
}

.dashboard-grid {
    display: grid;
    /* ใช้ Grid แบบ 6 คอลัมน์เพื่อความสมมาตร */
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

/* การ์ดสรุปยอดเงินหลัก: ให้แต่ละใบกว้าง 3 ส่วน (ครึ่งหนึ่งของ 6) */
.summary-card.main-summary {
    grid-column: span 3;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s;
}

/* การ์ดสถิติย่อย: ให้แต่ละใบกว้าง 2 ส่วน (หนึ่งในสามของ 6) */
.stat-card {
    grid-column: span 2;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 0; /* ไม่ต้องใช้ margin เพราะ grid มี gap แล้ว */
    transition: all 0.3s;
    padding: 20px; /* เพิ่ม padding กลับเข้ามาในกรณีที่อาจถูกลบไป */
}

.stat-card:hover, .summary-card.main-summary:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.summary-card.main-summary .summary-content h3 {
    font-size: 1rem;
    color: var(--text-light);
    margin: 0 0 5px 0;
    font-weight: 500;
}

.summary-card.main-summary .summary-content .amount {
    font-size: 2rem;
    font-weight: 700;
}

.summary-card.main-summary .summary-icon {
    font-size: 2.5rem;
    opacity: 0.7;
}
.summary-icon.outgoing { color: var(--danger-color); }
.summary-icon.incoming { color: var(--success-color); }

/* ลบสไตล์เก่าที่ไม่ใช้ออกไป */
.financial-summary, .stats-grid {
    display: none;
}


/* --- Responsive (ปรับตามขนาดหน้าจอ) --- */

/* สำหรับ Tablet (หน้าจอขนาดกลาง) */
@media (max-width: 992px) {
    .summary-card.main-summary,
    .stat-card {
        /* ให้การ์ดทุกใบกว้างครึ่งจอ (3 ส่วนจาก 6) */
        grid-column: span 3;
    }
}

/* สำหรับ Mobile (หน้าจอขนาดเล็ก) */
@media (max-width: 768px) {
    .summary-card.main-summary,
    .stat-card {
        /* ให้การ์ดทุกใบกว้างเต็มจอ (6 ส่วนจาก 6) */
        grid-column: span 6;
    }
}

/* --- Footer Styles --- */
.site-footer {
    text-align: center;
    padding: 25px 0;
    margin-top: 40px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.site-footer p {
    margin: 5px 0;
}