/* ========================================
   HcLeave 請假管理系統 - 全域樣式
   主色系: #0d6efd (Bootstrap Primary Blue)
   ======================================== */

:root {
    /* 主色系 */
    --bs-primary: #0d6efd;
    --bs-primary-rgb: 13, 110, 253;
    --bs-primary-dark: #0a58ca;
    --bs-primary-light: #e7f1ff;
    
    /* 輔助色系 */
    --bs-info: #0dcaf0;
    --bs-info-dark: #055160;
    --bs-info-light: #cff4fc;
    --bs-success: #198754;
    --bs-success-dark: #0d503c;
    --bs-success-light: #d1e7dd;
    --bs-warning: #fd7e14;
    --bs-warning-dark: #974e00;
    --bs-warning-light: #ffe5d0;
    --bs-danger: #dc3545;
    --bs-danger-light: #f8d7da;
    
    /* 文字與背景 */
    --bs-text-primary: #212529;
    --bs-text-secondary: #6c757d;
    --bs-text-light: #f8f9fa;
    --bs-text-on-primary: #ffffff;
    --bs-body-bg: #ffffff;
    --bs-body-bg-alt: #f8f9fa;
    --bs-border-color: #dee2e6;
    --bs-border-color-light: #e9ecef;
    
    /* Card 專用 */
    --bs-card-bg: #ffffff;
    --bs-card-text: #212529;
    --bs-card-header-bg: #0d6efd;
    --bs-card-header-text: #ffffff;
    
    /* Badge 專用 */
    --bs-badge-primary-bg: #0d6efd;
    --bs-badge-primary-text: #ffffff;
}

/* ========================================
   基礎樣式
   ======================================== */
html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 15px;
    }
}

@media (min-width: 992px) {
    html {
        font-size: 16px;
    }
}

body {
    color: var(--bs-text-primary);
    background-color: var(--bs-body-bg);
    margin-bottom: 60px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ========================================
   按鈕樣式
   ======================================== */
.btn-primary {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    color: var(--bs-text-on-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--bs-primary-dark);
    border-color: var(--bs-primary-dark);
    color: var(--bs-text-on-primary);
}

.btn-primary:active {
    background-color: var(--bs-primary-dark);
    border-color: var(--bs-primary-dark);
}

.btn-primary:focus,
.btn-primary:active:focus {
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}

.btn-outline-primary {
    color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--bs-primary);
    border-color: var(--bs-primary);
    color: var(--bs-text-on-primary);
}

/* ========================================
   Card 樣式
   ======================================== */
.card {
    background-color: var(--bs-card-bg);
    color: var(--bs-card-text);
    border: 1px solid var(--bs-border-color-light);
    border-radius: 0.5rem;
}

.card-header {
    background-color: var(--bs-card-header-bg);
    color: var(--bs-card-header-text);
    border-bottom: none;
    font-weight: 600;
    padding: 0.875rem 1.25rem;
}

.card-header.bg-primary {
    background-color: var(--bs-primary) !important;
    color: var(--bs-text-on-primary) !important;
}

.card-header.bg-info {
    background-color: var(--bs-info) !important;
    color: var(--bs-info-dark) !important;
}

.card-header.bg-success {
    background-color: var(--bs-success) !important;
    color: var(--bs-text-on-primary) !important;
}

.card-header.bg-warning {
    background-color: var(--bs-warning) !important;
    color: var(--bs-warning-dark) !important;
}

.card-body {
    color: var(--bs-card-text);
    padding: 1.25rem;
}

/* ========================================
   Badge 樣式
   ======================================== */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
}

.badge.bg-primary {
    background-color: var(--bs-badge-primary-bg) !important;
    color: var(--bs-badge-primary-text) !important;
}

.badge.bg-info {
    background-color: var(--bs-info) !important;
    color: var(--bs-info-dark) !important;
}

.badge.bg-success {
    background-color: var(--bs-success) !important;
    color: var(--bs-text-on-primary) !important;
}

.badge.bg-warning {
    background-color: var(--bs-warning) !important;
    color: var(--bs-warning-dark) !important;
}

.badge.bg-danger {
    background-color: var(--bs-danger) !important;
    color: var(--bs-text-on-primary) !important;
}

/* ========================================
   文字顏色
   ======================================== */
.text-primary {
    color: var(--bs-primary) !important;
}

.text-secondary {
    color: var(--bs-text-secondary) !important;
}

.text-success {
    color: var(--bs-success) !important;
}

.text-info {
    color: #055160 !important;
}

.text-warning {
    color: var(--bs-warning-dark) !important;
}

.text-danger {
    color: var(--bs-danger) !important;
}

.text-muted {
    color: var(--bs-text-secondary) !important;
}

/* 深色背景上的文字 */
.bg-primary .text-primary,
.card-header.bg-primary .text-primary {
    color: var(--bs-text-on-primary) !important;
}

/* ========================================
   表單元素
   ======================================== */
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}

.form-control-lg {
    min-height: 48px;
}

/* ========================================
   導航列
   ======================================== */
.navbar-dark .navbar-brand {
    color: var(--bs-text-on-primary);
    font-weight: 600;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
    color: var(--bs-text-on-primary);
}

.navbar-dark .navbar-nav .nav-link.active {
    color: var(--bs-text-on-primary);
}

/* ========================================
   Alert 樣式
   ======================================== */
.alert-primary {
    background-color: var(--bs-primary-light);
    border-color: rgba(var(--bs-primary-rgb), 0.2);
    color: var(--bs-primary-dark);
}

.alert-info {
    background-color: var(--bs-info-light);
    border-color: rgba(13, 202, 240, 0.2);
    color: var(--bs-info-dark);
}

.alert-success {
    background-color: var(--bs-success-light);
    border-color: rgba(25, 135, 84, 0.2);
    color: var(--bs-success-dark);
}

.alert-warning {
    background-color: var(--bs-warning-light);
    border-color: rgba(253, 126, 20, 0.2);
    color: var(--bs-warning-dark);
}

.alert-danger {
    background-color: var(--bs-danger-light);
    border-color: rgba(220, 53, 69, 0.2);
    color: #842029;
}

/* ========================================
   表格樣式
   ======================================== */
.table {
    color: var(--bs-text-primary);
}

.table thead th {
    font-weight: 600;
    color: var(--bs-text-secondary);
    border-bottom-width: 2px;
    border-color: var(--bs-border-color);
}

.table tbody td {
    border-color: var(--bs-border-color-light);
    vertical-align: middle;
}

.table-hover tbody tr:hover {
    background-color: rgba(var(--bs-primary-rgb), 0.03);
}

/* ========================================
   工具類別
   ======================================== */
.bg-light {
    background-color: var(--bs-body-bg-alt) !important;
}

.border-primary {
    border-color: var(--bs-primary) !important;
}

/* 字重 */
.fw-medium {
    font-weight: 500;
}

.fw-semibold {
    font-weight: 600;
}

/* ========================================
   響應式調整
   ======================================== */
@media (max-width: 767px) {
    .card-header {
        padding: 0.75rem 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
}

/* ========================================
   登入頁專用樣式
   ======================================== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    margin: 1rem;
}

.login-card .card-header {
    text-align: center;
    padding: 1.5rem;
}

.login-card .card-body {
    padding: 2rem;
}

@media (max-width: 576px) {
    .login-card .card-body {
        padding: 1.5rem;
    }
}