/* =====================================================
   BorcYok.com — Design System v1.0
   ===================================================== */
:root {
  --c-primary:   #6C63FF;
  --c-primary-d: #5A52E0;
  --c-success:   #22C55E;
  --c-danger:    #EF4444;
  --c-warning:   #F59E0B;
  --c-info:      #3B82F6;
  --c-income:    #10B981;
  --c-expense:   #F43F5E;
  --c-debt:      #F97316;
  --c-savings:   #8B5CF6;

  --bg:        #F8FAFC;
  --bg-card:   #FFFFFF;
  --bg-nav:    #1E1B4B;
  --text:      #1E293B;
  --text-muted:#64748B;
  --border:    #E2E8F0;

  --radius:    14px;
  --radius-sm: 8px;
  --shadow:    0 4px 24px rgba(0,0,0,.07);
  --shadow-sm: 0 2px 8px rgba(0,0,0,.05);
  --font:      'Inter','Segoe UI',system-ui,sans-serif;
  --transition:.2s ease;
}

[data-theme="dark"] {
  --bg:        #0F172A;
  --bg-card:   #1E293B;
  --bg-nav:    #0F172A;
  --text:      #F1F5F9;
  --text-muted:#94A3B8;
  --border:    #334155;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;transition:background var(--transition),color var(--transition)}
a{color:var(--c-primary);text-decoration:none}
button{cursor:pointer;font-family:var(--font)}
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

/* LAYOUT */
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}
.app-layout{display:flex;min-height:100vh}

/* SIDEBAR */
.sidebar{width:260px;background:var(--bg-nav);color:#fff;position:fixed;top:0;left:0;bottom:0;z-index:100;display:flex;flex-direction:column;transition:transform var(--transition)}
.sidebar-brand{padding:1.5rem;font-size:1.3rem;font-weight:700;letter-spacing:-.5px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-brand span{color:var(--c-primary)}
.sidebar-nav{flex:1;padding:1rem 0;overflow-y:auto}
.sidebar-nav a{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:rgba(255,255,255,.7);font-size:.9rem;transition:all var(--transition)}
.sidebar-nav a:hover,.sidebar-nav a.active{color:#fff;background:rgba(108,99,255,.25);border-right:3px solid var(--c-primary)}
.sidebar-nav a .icon{font-size:1.1rem;width:20px;text-align:center}
.sidebar-footer{padding:1rem 1.5rem;border-top:1px solid rgba(255,255,255,.1)}

/* MAIN */
.main-content{flex:1;margin-left:260px;min-height:100vh;display:flex;flex-direction:column}
.topbar{background:var(--bg-card);border-bottom:1px solid var(--border);padding:1rem 2rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:90}
.page-content{flex:1;padding:2rem}

/* CARDS */
.card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.5rem;border:1px solid var(--border);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(0,0,0,.1)}

.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin-bottom:2rem}
.summary-card{background:var(--bg-card);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm);border:1px solid var(--border);display:flex;align-items:flex-start;gap:1rem}
.summary-card .icon-box{width:52px;height:52px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}
.summary-card .label{font-size:.8rem;color:var(--text-muted);margin-bottom:.25rem}
.summary-card .value{font-size:1.4rem;font-weight:700}

.icon-income {background:#ECFDF5;color:var(--c-income)}
.icon-expense{background:#FFF1F2;color:var(--c-expense)}
.icon-debt   {background:#FFF7ED;color:var(--c-debt)}
.icon-savings{background:#F5F3FF;color:var(--c-savings)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1.25rem;border-radius:var(--radius-sm);font-size:.875rem;font-weight:600;border:none;transition:all var(--transition)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);transform:translateY(-1px)}
.btn-success{background:var(--c-success);color:#fff}
.btn-danger {background:var(--c-danger); color:#fff}
.btn-warning{background:var(--c-warning);color:#fff}
.btn-outline{background:transparent;border:1.5px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-sm{padding:.4rem .9rem;font-size:.8rem}
.btn-icon{width:36px;height:36px;padding:0;justify-content:center}

/* FORMS */
.form-group{margin-bottom:1.25rem}
.form-label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.4rem}
.form-control{width:100%;padding:.65rem 1rem;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-size:.9rem;font-family:var(--font);transition:border-color var(--transition),box-shadow var(--transition)}
.form-control:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(108,99,255,.15)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;padding-right:2rem}

/* TABLE */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
thead th{font-size:.8rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:.75rem 1rem;border-bottom:2px solid var(--border);text-align:left;background:var(--bg)}
tbody td{padding:.9rem 1rem;border-bottom:1px solid var(--border);vertical-align:middle}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--bg)}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.25rem .65rem;border-radius:99px;font-size:.75rem;font-weight:600}
.badge-success{background:#ECFDF5;color:var(--c-success)}
.badge-danger {background:#FFF1F2;color:var(--c-danger)}
.badge-warning{background:#FFFBEB;color:var(--c-warning)}
.badge-info   {background:#EFF6FF;color:var(--c-info)}
.badge-purple {background:#F5F3FF;color:var(--c-savings)}

/* PROGRESS */
.progress-bar-wrap{background:var(--border);border-radius:99px;height:8px;overflow:hidden}
.progress-bar-fill{height:100%;border-radius:99px;transition:width .6s ease}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:999;display:flex;align-items:center;justify-content:center;padding:1rem;backdrop-filter:blur(4px)}
.modal{background:var(--bg-card);border-radius:var(--radius);padding:2rem;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;box-shadow:0 24px 64px rgba(0,0,0,.2)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem}
.modal-title{font-size:1.2rem;font-weight:700}
.modal-close{background:none;border:none;font-size:1.5rem;color:var(--text-muted);line-height:1}

/* DAILY LIMIT */
.daily-limit-card{background:linear-gradient(135deg,var(--c-primary) 0%,#9C4DCC 100%);color:#fff;border-radius:var(--radius);padding:1.75rem;margin-bottom:2rem}
.daily-limit-card .limit-amount{font-size:2.5rem;font-weight:800}
.daily-limit-card .limit-label{font-size:.9rem;opacity:.85}
.daily-limit-card .progress-bar-wrap{background:rgba(255,255,255,.25);margin-top:1rem}
.daily-limit-card .progress-bar-fill{background:rgba(255,255,255,.9)}

/* ALERTS */
.alert{padding:.9rem 1.25rem;border-radius:var(--radius-sm);margin-bottom:1rem;font-size:.9rem;border-left:4px solid}
.alert-error  {background:#FFF1F2;border-color:var(--c-danger); color:#9B1C1C}
.alert-success{background:#ECFDF5;border-color:var(--c-success);color:#166534}
.alert-info   {background:#EFF6FF;border-color:var(--c-info);   color:#1E40AF}

/* AUTH */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1E1B4B 0%,#312E81 50%,#4C1D95 100%);padding:2rem}
.auth-card{background:var(--bg-card);border-radius:var(--radius);padding:2.5rem;width:100%;max-width:440px;box-shadow:0 32px 80px rgba(0,0,0,.3)}
.auth-logo{text-align:center;margin-bottom:2rem;font-size:1.5rem;font-weight:800}
.auth-logo span{color:var(--c-primary)}

/* LANDING */
.hero{background:linear-gradient(135deg,#1E1B4B 0%,#4C1D95 100%);color:#fff;padding:6rem 0;text-align:center}
.hero h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;margin-bottom:1rem}
.hero p{font-size:1.15rem;opacity:.85;max-width:540px;margin:0 auto 2rem}
.features{padding:5rem 0}
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:2rem;margin-top:3rem}
.feature-card{text-align:center;padding:2rem}
.feature-icon{font-size:2.5rem;margin-bottom:1rem}
.feature-card h3{font-size:1.1rem;margin-bottom:.5rem}
.feature-card p{color:var(--text-muted);font-size:.9rem}
.section-title{text-align:center;font-size:2rem;font-weight:800}
.section-sub{text-align:center;color:var(--text-muted);margin-top:.5rem}

/* RESPONSIVE */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .summary-grid{grid-template-columns:1fr 1fr}
  .page-content{padding:1rem}
  .topbar{padding:1rem}
  .bottom-nav{display:flex !important;position:fixed;bottom:0;left:0;right:0;background:var(--bg-card);border-top:1px solid var(--border);z-index:100;padding:.5rem 0;padding-bottom:env(safe-area-inset-bottom)}
  .bottom-nav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:.2rem;font-size:.65rem;color:var(--text-muted);padding:.25rem 0}
  .bottom-nav a.active{color:var(--c-primary)}
  .bottom-nav a .icon{font-size:1.25rem}
  .main-content{padding-bottom:70px}
}
@media(min-width:769px){
  .bottom-nav{display:none}
  .hamburger{display:none}
}
@media(max-width:480px){
  .summary-grid{grid-template-columns:1fr}
  .auth-card{padding:1.75rem}
}

/* ANIMATIONS */
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.fade-in{animation:fadeIn .3s ease both}
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--c-primary);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}

/* UTILITY */
.text-income {color:var(--c-income)}
.text-expense{color:var(--c-expense)}
.text-debt   {color:var(--c-debt)}
.text-savings{color:var(--c-savings)}
.text-muted  {color:var(--text-muted)}
.text-center {text-align:center}
.fw-bold     {font-weight:700}
.mt-1{margin-top:.5rem} .mt-2{margin-top:1rem}
.mb-1{margin-bottom:.5rem} .mb-2{margin-bottom:1rem}
.d-flex{display:flex} .gap-1{gap:.5rem} .gap-2{gap:1rem}
.align-center{align-items:center}
.justify-between{justify-content:space-between}
.w-100{width:100%}
.hidden{display:none!important}