/* ClickSync License System - Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
    --primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#dbeafe;
    --success:#16a34a;--success-light:#dcfce7;
    --danger:#dc2626;--danger-light:#fee2e2;
    --warning:#d97706;--warning-light:#fef3c7;
    --gray-50:#f9fafb;--gray-100:#f3f4f6;--gray-200:#e5e7eb;--gray-300:#d1d5db;
    --gray-400:#9ca3af;--gray-500:#6b7280;--gray-600:#4b5563;--gray-700:#374151;
    --gray-800:#1f2937;--gray-900:#111827;
    --white:#ffffff;
    --shadow-sm:0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow:0 1px 3px 0 rgb(0 0 0 / 0.1),0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.1),0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg:0 10px 15px -3px rgb(0 0 0 / 0.1),0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius:0.5rem;--radius-lg:0.75rem;
}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--gray-50);color:var(--gray-900);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.page-wrapper{min-height:100vh;display:flex;flex-direction:column}
.sidebar{width:260px;background:var(--white);border-right:1px solid var(--gray-200);height:100vh;position:fixed;left:0;top:0;display:flex;flex-direction:column;z-index:100;overflow-y:auto}
.sidebar-brand{padding:1.25rem 1.5rem;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;gap:0.75rem}
.sidebar-brand-icon{width:36px;height:36px;background:var(--primary);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:white;font-weight:700;font-size:1rem}
.sidebar-brand-name{font-weight:700;font-size:1.1rem}
.sidebar-brand-tag{font-size:0.65rem;color:var(--primary);font-weight:600;text-transform:uppercase}
.sidebar-nav{flex:1;padding:1rem 0.75rem;display:flex;flex-direction:column;gap:0.25rem}
.sidebar-section-label{font-size:0.7rem;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:var(--gray-400);padding:0.75rem 0.75rem 0.25rem;margin-top:0.5rem}
.sidebar-link{display:flex;align-items:center;gap:0.75rem;padding:0.6rem 0.75rem;border-radius:var(--radius);color:var(--gray-600);text-decoration:none;font-weight:500;font-size:0.875rem;transition:all 0.15s ease}
.sidebar-link:hover{background:var(--gray-100);color:var(--gray-900);text-decoration:none}
.sidebar-link.active{background:var(--primary-light);color:var(--primary)}
.sidebar-link svg{width:18px;height:18px;flex-shrink:0}
.sidebar-link .badge{margin-left:auto;background:var(--danger);color:white;font-size:0.65rem;font-weight:600;padding:0.1rem 0.4rem;border-radius:9999px}
.sidebar-footer{padding:1rem;border-top:1px solid var(--gray-100)}
.sidebar-user{display:flex;align-items:center;gap:0.75rem;padding:0.5rem;border-radius:var(--radius);cursor:pointer}
.sidebar-user:hover{background:var(--gray-50)}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:white;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:0.875rem;flex-shrink:0}
.avatar.sm{width:28px;height:28px;font-size:0.7rem}
.avatar.lg{width:48px;height:48px;font-size:1.1rem}
.avatar.danger{background:var(--danger)}
.avatar.success{background:var(--success)}
.avatar.orange{background:var(--warning)}
.user-info{flex:1;min-width:0}
.user-name{font-weight:600;font-size:0.8rem;color:var(--gray-900);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role{font-size:0.7rem;color:var(--gray-500)}
.main-content{margin-left:260px;flex:1;display:flex;flex-direction:column}
.topbar{background:var(--white);border-bottom:1px solid var(--gray-200);padding:0.875rem 1.5rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}
.topbar-title{font-size:1rem;font-weight:600;color:var(--gray-900)}
.topbar-actions{display:flex;align-items:center;gap:0.75rem}
.page-content{padding:1.5rem;flex:1}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.5rem 1rem;border-radius:var(--radius);font-weight:500;font-size:0.875rem;cursor:pointer;border:none;transition:all 0.15s ease;text-decoration:none;white-space:nowrap;font-family:inherit}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--primary);color:white}
.btn-primary:hover{background:var(--primary-dark)}
.btn-success{background:var(--success);color:white}
.btn-success:hover{background:#15803d}
.btn-danger{background:var(--danger);color:white}
.btn-danger:hover{background:#b91c1c}
.btn-warning{background:var(--warning);color:white}
.btn-warning:hover{background:#b45309}
.btn-outline{background:transparent;color:var(--gray-700);border:1px solid var(--gray-300)}
.btn-outline:hover{background:var(--gray-50);border-color:var(--gray-400)}
.btn-ghost{background:transparent;color:var(--gray-600)}
.btn-ghost:hover{background:var(--gray-100);color:var(--gray-900)}
.btn-sm{padding:0.3rem 0.6rem;font-size:0.75rem}
.btn-sm svg{width:14px;height:14px}
.btn-lg{padding:0.75rem 1.5rem;font-size:1rem}
.btn:disabled{opacity:0.5;cursor:not-allowed}
.btn-icon{padding:0.5rem}
.btn-danger-outline{background:transparent;color:var(--danger);border:1px solid var(--danger)}
.btn-danger-outline:hover{background:var(--danger-light)}

/* Forms */
.form-group{display:flex;flex-direction:column;gap:0.375rem}
.form-label{font-weight:500;font-size:0.8rem;color:var(--gray-700)}
.form-label.required::after{content:' *';color:var(--danger)}
.form-input{padding:0.5rem 0.75rem;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:0.875rem;font-family:inherit;color:var(--gray-900);background:var(--white);transition:border-color 0.15s ease,box-shadow 0.15s ease;width:100%}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgb(37 99 235 / 0.1)}
.form-input::placeholder{color:var(--gray-400)}
.form-input:disabled{background:var(--gray-50);color:var(--gray-500);cursor:not-allowed}
.form-hint{font-size:0.75rem;color:var(--gray-500)}
.form-error{font-size:0.75rem;color:var(--danger)}
.form-grid{display:grid;gap:1rem}
.form-grid.cols-2{grid-template-columns:repeat(2,1fr)}
.form-grid.cols-3{grid-template-columns:repeat(3,1fr)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");background-position:right 0.5rem center;background-repeat:no-repeat;background-size:1.5em 1.5em;padding-right:2.5rem}
.form-textarea{min-height:80px;resize:vertical}
.form-input-error{border-color:var(--danger)}
.form-input-error:focus{box-shadow:0 0 0 3px rgb(220 38 38 / 0.1)}

/* Cards */
.card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.card-header{padding:1rem 1.25rem;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;justify-content:space-between}
.card-title{font-weight:600;font-size:0.9rem;color:var(--gray-900)}
.card-body{padding:1.25rem}
.card-footer{padding:1rem 1.25rem;border-top:1px solid var(--gray-100);display:flex;align-items:center;justify-content:flex-end;gap:0.5rem}

/* Auth */
.auth-layout{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a5f 0%,#0f1f3d 100%);padding:1rem}
.auth-card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:420px;overflow:hidden}
.auth-card-header{background:linear-gradient(135deg,#1e3a5f 0%,#2d5a87 100%);padding:2rem 2rem 3rem;text-align:center;position:relative}
.auth-card-header::after{content:'';position:absolute;bottom:-20px;left:0;right:0;height:40px;background:var(--white);border-radius:50% 50% 0 0}
.auth-logo{display:inline-flex;align-items:center;gap:0.5rem;color:white;font-weight:700;font-size:1.5rem;margin-bottom:0.25rem}
.auth-logo-icon{width:40px;height:40px;background:rgba(255,255,255,0.2);border-radius:var(--radius);display:flex;align-items:center;justify-content:center}
.auth-subtitle{color:rgba(255,255,255,0.7);font-size:0.85rem}
.auth-card-body{padding:2rem 2rem 2.5rem;position:relative;z-index:1}
.auth-title{font-size:1.25rem;font-weight:700;color:var(--gray-900);text-align:center;margin-bottom:1.5rem}
.auth-form{display:flex;flex-direction:column;gap:1rem}
.auth-footer{text-align:center;font-size:0.8rem;color:var(--gray-500);margin-top:1rem}
.auth-footer a{color:var(--primary);text-decoration:none;font-weight:500}
.auth-footer a:hover{text-decoration:underline}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}
.stat-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:1.25rem;display:flex;align-items:flex-start;gap:1rem}
.stat-icon{width:44px;height:44px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-icon svg{width:22px;height:22px}
.stat-icon.blue{background:var(--primary-light);color:var(--primary)}
.stat-icon.green{background:var(--success-light);color:var(--success)}
.stat-icon.orange{background:var(--warning-light);color:var(--warning)}
.stat-icon.red{background:var(--danger-light);color:var(--danger)}
.stat-content{flex:1}
.stat-value{font-size:1.5rem;font-weight:700;color:var(--gray-900);line-height:1.2}
.stat-label{font-size:0.8rem;color:var(--gray-500);margin-top:0.125rem}
.stat-change{font-size:0.7rem;font-weight:500;margin-top:0.25rem}
.stat-change.up{color:var(--success)}
.stat-change.down{color:var(--danger)}

/* Tables */
.table-wrapper{overflow-x:auto}
.table{width:100%;border-collapse:collapse}
.table th{text-align:left;padding:0.625rem 1rem;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;color:var(--gray-500);background:var(--gray-50);border-bottom:1px solid var(--gray-200);white-space:nowrap}
.table td{padding:0.75rem 1rem;border-bottom:1px solid var(--gray-100);font-size:0.875rem;color:var(--gray-700);vertical-align:middle}
.table tbody tr:hover{background:var(--gray-50)}
.table tbody tr:last-child td{border-bottom:none}
.table-actions{display:flex;align-items:center;gap:0.375rem}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:0.25rem;padding:0.2rem 0.5rem;border-radius:9999px;font-size:0.7rem;font-weight:600;white-space:nowrap}
.badge-success{background:var(--success-light);color:var(--success)}
.badge-danger{background:var(--danger-light);color:var(--danger)}
.badge-warning{background:var(--warning-light);color:var(--warning)}
.badge-primary{background:var(--primary-light);color:var(--primary)}
.badge-gray{background:var(--gray-100);color:var(--gray-600)}

/* Machine Card */
.machine-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:1.25rem;transition:box-shadow 0.2s ease}
.machine-card:hover{box-shadow:var(--shadow-md)}
.machine-card-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:1rem}
.machine-name{font-weight:600;font-size:0.95rem;color:var(--gray-900)}
.machine-id{font-size:0.7rem;color:var(--gray-400);font-family:monospace;margin-top:0.125rem}
.machine-key{font-size:0.75rem;color:var(--gray-600);font-family:monospace;background:var(--gray-50);padding:0.25rem 0.5rem;border-radius:var(--radius);display:inline-block;margin-top:0.25rem}
.machine-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:0.75rem;margin:1rem 0}
.machine-stat{display:flex;flex-direction:column;gap:0.125rem}
.machine-stat-label{font-size:0.7rem;color:var(--gray-400);text-transform:uppercase;letter-spacing:0.03em}
.machine-stat-value{font-size:0.875rem;font-weight:600;color:var(--gray-900)}
.machine-stat-value.warning{color:var(--warning)}
.machine-stat-value.danger{color:var(--danger)}
.machine-stat-value.success{color:var(--success)}
.machine-card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:1rem;border-top:1px solid var(--gray-100)}
.machine-actions{display:flex;gap:0.375rem;flex-wrap:wrap}
.machine-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1rem}

/* Toggle */
.toggle-wrapper{display:flex;align-items:center;gap:0.5rem}
.toggle{position:relative;width:40px;height:22px;cursor:pointer}
.toggle input{opacity:0;width:0;height:0}
.toggle-slider{position:absolute;inset:0;background:var(--gray-300);border-radius:9999px;transition:background 0.2s ease}
.toggle-slider::before{content:'';position:absolute;width:16px;height:16px;left:3px;bottom:3px;background:white;border-radius:50%;transition:transform 0.2s ease;box-shadow:var(--shadow-sm)}
.toggle input:checked+.toggle-slider{background:var(--primary)}
.toggle input:checked+.toggle-slider::before{transform:translateX(18px)}
.toggle-label{font-size:0.8rem;color:var(--gray-600)}

/* Alert */
.alert{padding:0.75rem 1rem;border-radius:var(--radius);font-size:0.875rem;display:flex;align-items:flex-start;gap:0.75rem}
.alert svg{width:18px;height:18px;flex-shrink:0;margin-top:0.1rem}
.alert-info{background:var(--primary-light);color:var(--primary)}
.alert-success{background:var(--success-light);color:var(--success)}
.alert-warning{background:var(--warning-light);color:var(--warning)}
.alert-danger{background:var(--danger-light);color:var(--danger)}

/* Pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:0.25rem;margin-top:1.25rem}
.pagination-btn{min-width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);font-size:0.8rem;font-weight:500;color:var(--gray-600);background:transparent;border:1px solid var(--gray-200);cursor:pointer;transition:all 0.15s ease;text-decoration:none;padding:0 0.5rem}
.pagination-btn:hover{background:var(--gray-50);border-color:var(--gray-300)}
.pagination-btn.active{background:var(--primary);color:white;border-color:var(--primary)}
.pagination-btn:disabled{opacity:0.4;cursor:not-allowed}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.5);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem;opacity:0;visibility:hidden;transition:all 0.2s ease}
.modal-overlay.active{opacity:1;visibility:visible}
.modal{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:480px;max-height:90vh;overflow:auto;transform:scale(0.95);transition:transform 0.2s ease}
.modal-overlay.active .modal{transform:scale(1)}
.modal-header{padding:1.25rem 1.5rem;border-bottom:1px solid var(--gray-100);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-weight:600;font-size:1rem;color:var(--gray-900)}
.modal-close{width:32px;height:32px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;cursor:pointer;background:transparent;border:none;color:var(--gray-400);transition:all 0.15s ease}
.modal-close:hover{background:var(--gray-100);color:var(--gray-600)}
.modal-body{padding:1.5rem}
.modal-footer{padding:1rem 1.5rem;border-top:1px solid var(--gray-100);display:flex;align-items:center;justify-content:flex-end;gap:0.5rem}

/* Extend Options */
.extend-options{display:grid;grid-template-columns:repeat(3,1fr);gap:0.75rem;margin:1rem 0}
.extend-option{border:2px solid var(--gray-200);border-radius:var(--radius);padding:1rem;text-align:center;cursor:pointer;transition:all 0.15s ease;background:white}
.extend-option:hover{border-color:var(--primary)}
.extend-option.selected{border-color:var(--primary);background:var(--primary-light)}
.extend-option-days{font-size:1.5rem;font-weight:700;color:var(--gray-900)}
.extend-option-label{font-size:0.75rem;color:var(--gray-500);margin-top:0.25rem}
.extend-option-price{font-size:0.875rem;font-weight:600;color:var(--primary);margin-top:0.5rem}

/* Deposit */
.deposit-methods{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-bottom:1.5rem}
.deposit-method{border:2px solid var(--gray-200);border-radius:var(--radius-lg);padding:1.5rem;cursor:pointer;transition:all 0.15s ease;background:var(--white)}
.deposit-method:hover{border-color:var(--primary)}
.deposit-method.selected{border-color:var(--primary);background:var(--primary-light)}
.deposit-method-icon{font-size:2rem;margin-bottom:0.75rem}
.deposit-method-title{font-weight:600;font-size:0.95rem;color:var(--gray-900);margin-bottom:0.25rem}
.deposit-method-desc{font-size:0.8rem;color:var(--gray-500)}
.qr-box{background:var(--gray-50);border:2px dashed var(--gray-300);border-radius:var(--radius-lg);padding:1.5rem;text-align:center}
.qr-placeholder{width:180px;height:180px;background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;color:var(--gray-300);font-size:3rem}
.qr-info{font-size:0.8rem;color:var(--gray-500);margin-top:0.75rem;text-align:left}
.qr-info strong{color:var(--gray-700)}
.qr-info p{margin:0.25rem 0}

/* Admin */
.admin-stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}
.admin-stat-box{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:1.25rem;text-align:center}
.admin-stat-number{font-size:2rem;font-weight:700;color:var(--gray-900);line-height:1.2}
.admin-stat-label{font-size:0.8rem;color:var(--gray-500);margin-top:0.25rem}

/* Toast / Flash */
.flash{position:fixed;top:1rem;right:1rem;z-index:9999;min-width:280px;max-width:400px;padding:1rem 1.25rem;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);font-size:0.875rem;display:flex;align-items:center;gap:0.75rem;animation:slideIn 0.3s ease}
.flash.success{background:var(--success-light);color:var(--success);border:1px solid var(--success)}
.flash.error{background:var(--danger-light);color:var(--danger);border:1px solid var(--danger)}
.flash.warning{background:var(--warning-light);color:var(--warning);border:1px solid var(--warning)}
.flash.info{background:var(--primary-light);color:var(--primary);border:1px solid var(--primary)}
.flash-close{margin-left:auto;cursor:pointer;opacity:0.6;background:none;border:none;font-size:1rem;line-height:1}
.flash-close:hover{opacity:1}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* Misc */
.text-center{text-align:center}.text-right{text-align:right}
.text-sm{font-size:0.8rem}.text-xs{font-size:0.7rem}
.text-muted{color:var(--gray-500)}.text-success{color:var(--success)}
.text-danger{color:var(--danger)}.text-warning{color:var(--warning)}.text-primary{color:var(--primary)}
.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}
.mt-1{margin-top:0.25rem}.mt-2{margin-top:0.5rem}.mt-3{margin-top:0.75rem}.mt-4{margin-top:1rem}.mt-6{margin-top:1.5rem}
.mb-1{margin-bottom:0.25rem}.mb-2{margin-bottom:0.5rem}.mb-3{margin-bottom:0.75rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}
.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}
.items-center{align-items:center}.items-start{align-items:flex-start}
.justify-between{justify-content:space-between}.justify-center{justify-content:center}
.gap-1{gap:0.25rem}.gap-2{gap:0.5rem}.gap-3{gap:0.75rem}.gap-4{gap:1rem}
.w-full{width:100%}.flex-1{flex:1}
.empty-state{text-align:center;padding:3rem 1rem;color:var(--gray-400)}
.empty-state svg{width:48px;height:48px;margin:0 auto 1rem;opacity:0.5}
.empty-state p{font-size:0.875rem}
.font-mono{font-family:monospace}
code{font-family:monospace;background:var(--gray-100);padding:0.125rem 0.375rem;border-radius:3px;font-size:0.8rem}
hr{border:none;border-top:1px solid var(--gray-200);margin:1rem 0}

/* Responsive */
@media(max-width:768px){
    .sidebar{transform:translateX(-100%)}
    .sidebar.open{transform:translateX(0)}
    .main-content{margin-left:0}
    .form-grid.cols-2,.form-grid.cols-3{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .extend-options{grid-template-columns:repeat(2,1fr)}
    .machine-stats{grid-template-columns:1fr}
    .machine-grid{grid-template-columns:1fr}
    .modal{max-width:100%;margin:0.5rem}
}