/* 
* assets/css/style.css - Modern Black & White Theme with Mobile Support 
* By BPT Lab Solution. 

*/

/* CSS Variables */
:root {
    --black: #000000;
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;
    
    --primary: #000000;
    --secondary: #ffffff;
    --accent: #000000;
    --success: #000000;
    --danger: #ff0000;
    --warning: #ffa500;

    --font-primary: 'Noto Sans KR', 'Noto Sans', sans-serif;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&family=Noto+Sans:wght@300;400;500;600;700&display=swap');

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--black);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--black);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

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

a:hover {
    opacity: 0.7;
}

/* Layout */
.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--black);
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.logo {
    padding: 2rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.menu {
    list-style: none;
    padding: 1rem 0;
}

.menu-item {
    margin: 0.25rem 1rem;
}

.menu-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: rgba(255, 255, 255, 0.7);
    border-radius: 0.5rem;
    transition: var(--transition);
}

.menu-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    opacity: 1;
}

.menu-link.active {
    background: var(--white);
    color: var(--black);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 2rem;
    background: var(--gray-50);
    min-height: 100vh;
}

/* Mobile Navigation Bar */
.mobile-navbar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--black);
    color: var(--white);
    z-index: 1000;
    padding: 0 1rem;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.mobile-navbar .logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    padding: 0;
    border: none;
}

/* Hamburger Menu Button */
.hamburger-menu {
    width: 30px;
    height: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
    padding: 5px;
}

.hamburger-menu span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Sidebar */
.mobile-sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-sidebar-overlay.active {
    opacity: 1;
}

.mobile-sidebar {
    position: fixed;
    top: 0;
    right: -300px;
    width: 280px;
    height: 100vh;
    background: var(--white);
    z-index: 1001;
    transition: right 0.3s ease;
    overflow-y: auto;
    box-shadow: -2px 0 10px rgba(0,0,0,0.1);
}

.mobile-sidebar.active {
    right: 0;
}

.mobile-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: var(--black);
    color: var(--white);
}

.mobile-sidebar-close {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
}

.mobile-user-info {
    padding: 1.5rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.mobile-user-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.mobile-user-coins {
    font-size: 0.9rem;
    color: var(--gray-600);
}

.mobile-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-menu-item {
    border-bottom: 1px solid var(--gray-100);
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--gray-900);
    text-decoration: none;
    font-size: 1rem;
    transition: background 0.2s ease;
}

.mobile-menu-link:hover {
    background: var(--gray-50);
}

.mobile-menu-link.active {
    background: var(--black);
    color: var(--white);
    font-weight: 600;
}

.mobile-menu-icon {
    width: 20px;
    height: 20px;
    margin-right: 1rem;
    opacity: 0.7;
}

.mobile-logout-btn {
    margin: 1.5rem;
    display: block;
    width: calc(100% - 3rem);
    padding: 0.75rem;
    background: var(--danger);
    color: var(--white);
    text-align: center;
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
}

/* Page Header */
.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--gray-600);
    font-size: 1.125rem;
}

/* Cards */
.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--gray-300);
    border-radius: 0.5rem;
    background: var(--white);
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--black);
}

.form-input::placeholder {
    color: var(--gray-400);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;  /* 10px 20px */
    font-size: 0.875rem;         /* 14px */
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: 0.375rem;      /* 6px */
    transition: var(--transition);
    font-family: var(--font-primary);
    min-width: 80px;              /* 최소 너비 설정 */
}

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

/* 기본 버튼 (검정) */
.btn:not(.btn-secondary):not(.btn-danger) {
    background-color: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.btn:not(.btn-secondary):not(.btn-danger):hover {
    background-color: var(--gray-800);
    border-color: var(--gray-800);
}

/* Secondary 버튼 (회색) */
.btn-secondary {
    background-color: var(--gray-600);
    color: var(--white);
    border-color: var(--gray-600);
}

.btn-secondary:hover {
    background-color: var(--gray-700);
    border-color: var(--gray-700);
}

/* Danger 버튼 (빨강) */
.btn-danger {
    background-color: var(--danger);
    color: var(--white);
    border-color: var(--danger);
}

.btn-danger:hover {
    background-color: #cc0000;
    border-color: #cc0000;
}

/* 작은 버튼 */
.btn-sm {
    padding: 0.375rem 0.75rem;   /* 6px 12px */
    font-size: 0.813rem;          /* 13px */
    min-width: 60px;
}

/* 큰 버튼 */
.btn-lg {
    padding: 0.75rem 1.5rem;      /* 12px 24px */
    font-size: 1rem;              /* 16px */
    min-width: 100px;
}

/* 버튼 그룹 (나란히 배치) */
.btn-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* 폼 안의 인라인 버튼 처리 */
form[style*="display: inline"] {
    display: inline-block !important;
}

/* 버튼이 폼 안에 있을 때도 동일한 스타일 유지 */
form .btn {
    vertical-align: middle;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--black);
}

.login-box {
    width: 100%;
    max-width: 400px;
    padding: 3rem;
    background: var(--white);
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

.login-logo {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    letter-spacing: -0.5px;
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.info-card {
    background: var(--white);
    border: 2px solid var(--black);
    border-radius: 1rem;
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.info-card-title {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.info-card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--black);
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    background: var(--gray-50);
    color: var(--gray-700);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tr:hover {
    background: var(--gray-50);
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--white);
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-confirmed {
    background: var(--black);
    color: var(--white);
}

.status-pending {
    background: var(--gray-200);
    color: var(--gray-700);
}

.status-cancelled {
    background: var(--gray-100);
    color: var(--gray-500);
    text-decoration: line-through;
}

/* Reservation Item */
.reservation-item {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.reservation-item:hover {
    border-color: var(--black);
}

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

.reservation-number {
    font-size: 1.125rem;
    font-weight: 700;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

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

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

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--gray-300);
    border-top-color: var(--black);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}

/* Responsive Media Queries */
@media (max-width: 768px) {
    /* Show mobile navbar */
    .mobile-navbar {
        display: flex;
    }
    
    .mobile-sidebar-overlay {
        display: block;
    }
    
    /* Adjust container for mobile navbar */
    .container {
        padding-top: 60px;
    }
    
    /* Hide desktop sidebar */
    .sidebar {
        display: none;
    }
    
    /* Adjust main content */
    .main-content {
        margin-left: 0;
        padding: 1rem;
    }
    
    /* Cards and tables responsive */
    .card {
        margin: 1rem 0;
        border-radius: 0.75rem;
        padding: 1.5rem;
    }
    
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table {
        min-width: 600px;
    }
    
    /* Info grid single column on mobile */
    .info-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Page header adjustments */
    .page-header {
        padding: 1rem 0;
    }
    
    .page-title {
        font-size: 1.75rem;
    }
}

/* Tablet Responsive */
@media (min-width: 769px) and (max-width: 1024px) {
    .sidebar {
        width: 200px;
    }
    
    .main-content {
        margin-left: 200px;
    }
}

/* Mobile Landscape Mode */
@media (max-width: 768px) and (orientation: landscape) {
    .mobile-navbar {
        height: 50px;
    }
    
    .container {
        padding-top: 50px;
    }
}

@media print {
    .sidebar,
    .mobile-navbar,
    .mobile-sidebar,
    .mobile-sidebar-overlay,
    .btn,
    .calendar-nav {
        display: none !important;
    }
    
    .main-content {
        margin: 0;
        padding: 0;
    }
    
    .card {
        border: 1px solid #000;
        box-shadow: none;
    }
}

@media (hover: none) and (pointer: coarse) {
    .btn:active {
        transform: scale(0.95);
    }
    
    body.touch-device *:hover {
        background: inherit !important;
    }
}

.calendar-cell.other-month {
    color: #999;
    background-color: #fafafa;
}

.calendar-cell.other-month.weekend {
    color: #ffb3b3;
}

.calendar-cell.other-month:not(.disabled):hover {
    background-color: #f0f0f0;
    cursor: pointer;
}

.calendar-cell.other-month.selected {
    background-color: #000 !important;
    color: #fff !important;
}

.calendar-cell.other-month.in-range {
    background-color: #e0e0e0 !important;
    color: #666;
}