/* ── CSS VARIABLES ── */
:root {
  --bg:          #0f1117;
  --bg2:         #1a1d27;
  --bg3:         #22253a;
  --surface:     #1e2132;
  --surface2:    #262a40;
  --border:      #2e3350;
  --border2:     #3d4260;
  --text:        #e8eaf6;
  --text2:       #9ea3c0;
  --text3:       #6b7099;
  --accent:      #6366f1;
  --accent-h:    #4f46e5;
  --accent-glow: rgba(99,102,241,0.2);
  --green:       #22c55e;
  --orange:      #f59e0b;
  --red:         #ef4444;
  --yellow:      #eab308;
  --card-pw:     #6366f1;
  --card-note:   #22c55e;
  --card-card:   #f59e0b;
  --card-id:     #ec4899;
  --radius:      12px;
  --radius-sm:   8px;
  --shadow:      0 4px 24px rgba(0,0,0,.4);
  --transition:  180ms ease;
}
[data-theme="light"] {
  --bg:       #f0f2f8;
  --bg2:      #e4e7f0;
  --bg3:      #d8dbe8;
  --surface:  #ffffff;
  --surface2: #f4f5fb;
  --border:   #d1d5e8;
  --border2:  #b8bdd8;
  --text:     #1a1d2e;
  --text2:    #4b5280;
  --text3:    #8089b0;
  --accent-glow: rgba(99,102,241,0.12);
  --shadow:   0 4px 24px rgba(0,0,0,.08);
}

/* ── RESET ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;font-size:15px;background:var(--bg);color:var(--text);transition:background var(--transition),color var(--transition)}
a{color:inherit;text-decoration:none}
button,select,input,textarea{font:inherit}
input,textarea,select{background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text);padding:11px 14px;width:100%;outline:none;font-size:15px;transition:border-color var(--transition),box-shadow var(--transition)}
input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
input[type=range]{background:none;border:none;padding:4px 0;cursor:pointer}
input[type=checkbox]{width:auto;cursor:pointer;accent-color:var(--accent)}
input[type=file]{padding:8px;cursor:pointer}
select{cursor:pointer}
textarea{resize:vertical}
button{cursor:pointer;border:none;background:none}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--radius-sm);font-weight:500;font-size:14px;transition:all var(--transition)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-h);transform:translateY(-1px);box-shadow:0 4px 12px var(--accent-glow)}
.btn-ghost{background:var(--surface2);color:var(--text2);border:1.5px solid var(--border)}
.btn-ghost:hover{background:var(--bg3);color:var(--text)}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{background:#dc2626}
.btn-full{width:100%;justify-content:center}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);color:var(--text2);flex-shrink:0;transition:all var(--transition)}
.icon-btn:hover{background:var(--bg3);color:var(--text)}
.icon-btn.active{color:var(--accent);background:var(--accent-glow)}

/* ── AUTH PAGE ── */
.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px;background:radial-gradient(ellipse at top,#1e2050 0%,var(--bg) 60%)}
.auth-container{width:100%;max-width:420px}
.auth-logo{text-align:center;margin-bottom:32px;color:var(--text)}
.auth-logo svg{color:var(--accent);margin-bottom:8px}
.auth-logo h1{font-size:28px;font-weight:700;letter-spacing:-.5px}
.auth-logo p{color:var(--text2);font-size:14px;margin-top:4px}
.auth-tabs{display:flex;gap:4px;background:var(--surface);border-radius:var(--radius);padding:4px;margin-bottom:24px;border:1.5px solid var(--border)}
.tab-btn{flex:1;padding:8px;border-radius:calc(var(--radius) - 4px);font-size:14px;font-weight:500;color:var(--text2);transition:all var(--transition)}
.tab-btn.active{background:var(--accent);color:#fff}
.auth-form{display:none;gap:16px;flex-direction:column}
.auth-form.active{display:flex}
.auth-note{font-size:12px;color:var(--text3);text-align:center;margin-top:20px;line-height:1.6}
.auth-warning{display:flex;align-items:flex-start;gap:8px;background:rgba(255,165,0,.08);border:1.5px solid rgba(255,165,0,.3);border-radius:var(--radius-sm);padding:12px 14px;font-size:12px;color:var(--orange,#f59e0b);line-height:1.5}
.auth-warning svg{flex-shrink:0;margin-top:1px}

/* ── FORM ELEMENTS ── */
.form-group{display:flex;flex-direction:column;gap:8px}
.form-group label{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.07em}
.form-error{color:var(--red);font-size:13px;min-height:18px}
.input-with-btn{display:flex;gap:4px;align-items:center}
.input-with-btn input,.input-with-btn select{flex:1}
.form-row{display:flex;gap:12px}
.flex-1{flex:1}
.flex-2{flex:2}

/* ── STRENGTH METER ── */
.strength-bar{height:4px;background:var(--border);border-radius:2px;margin-top:6px;overflow:hidden}
.strength-fill{height:100%;border-radius:2px;transition:width .4s ease,background .4s ease;width:0}
.strength-fill.s-weak{background:var(--red)}
.strength-fill.s-fair{background:var(--orange)}
.strength-fill.s-good{background:var(--yellow)}
.strength-fill.s-strong{background:var(--green)}
.strength-label{font-size:12px;color:var(--text3)}

/* ── APP HEADER ── */
.app-header{display:flex;align-items:center;gap:16px;padding:0 20px;height:60px;background:var(--surface);border-bottom:1.5px solid var(--border);position:sticky;top:0;z-index:50}
.header-left{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo{display:flex;align-items:center;gap:8px;font-size:18px;font-weight:700;color:var(--accent)}
.header-search{flex:1;max-width:480px;display:flex;align-items:center;gap:10px;background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:0 12px;margin:0 auto}
.header-search svg{color:var(--text3);flex-shrink:0}
.header-search input{background:none;border:none;color:var(--text);flex:1;padding:9px 0}
.header-search input:focus{box-shadow:none}
.header-search kbd{font-size:11px;color:var(--text3);background:var(--border);padding:2px 6px;border-radius:4px;flex-shrink:0}
.header-right{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:auto}

/* ── USER MENU ── */
.user-menu-wrap{position:relative}
.user-btn{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:var(--radius-sm);color:var(--text2);font-size:14px;transition:all var(--transition)}
.user-btn:hover{background:var(--bg3);color:var(--text)}
.avatar{width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0}
.dropdown-menu{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:6px;min-width:180px;box-shadow:var(--shadow);z-index:100;display:none}
.dropdown-menu.open{display:flex;flex-direction:column}
.dropdown-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);font-size:14px;color:var(--text2);transition:all var(--transition)}
.dropdown-item:hover{background:var(--bg3);color:var(--text)}
.dropdown-item.danger:hover{background:rgba(239,68,68,.1);color:var(--red)}
.dropdown-divider{height:1px;background:var(--border);margin:4px 0}

/* ── APP LAYOUT ── */
.app-layout{display:flex;height:calc(100vh - 60px)}

/* ── SIDEBAR ── */
.sidebar{width:230px;flex-shrink:0;background:var(--surface);border-right:1.5px solid var(--border);display:flex;flex-direction:column;overflow-y:auto;transition:width var(--transition),transform var(--transition)}
.sidebar.collapsed{width:0;overflow:hidden}
.sidebar-nav{flex:1;padding:12px 8px}
.nav-section-label{font-size:11px;font-weight:600;color:var(--text3);letter-spacing:.08em;padding:8px 10px 4px}
.nav-item{display:flex;align-items:center;gap:10px;width:100%;padding:9px 12px;border-radius:var(--radius-sm);font-size:14px;color:var(--text2);transition:all var(--transition);text-align:left}
.nav-item:hover{background:var(--bg3);color:var(--text)}
.nav-item.active{background:var(--accent-glow);color:var(--accent)}
.nav-item svg{flex-shrink:0}
.nav-badge{margin-left:auto;background:var(--bg3);color:var(--text3);font-size:11px;font-weight:600;padding:1px 7px;border-radius:20px;min-width:24px;text-align:center}
.nav-item.active .nav-badge{background:var(--accent-glow);color:var(--accent)}
.sidebar-footer{padding:12px;border-top:1.5px solid var(--border)}

/* ── MAIN CONTENT ── */
.main-content{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px}
.content-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.content-title-area{display:flex;align-items:baseline;gap:12px}
.content-title-area h2{font-size:22px;font-weight:700}
.count-badge{font-size:13px;color:var(--text3)}
.content-actions{display:flex;align-items:center;gap:10px}
.sort-wrap{display:flex;align-items:center;gap:6px;color:var(--text3);font-size:13px}
.sort-wrap select{width:auto;padding:7px 10px;font-size:13px}
.view-toggle{display:flex;gap:2px}

/* ── ENTRIES GRID ── */
.entries-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.entries-grid.list-view{grid-template-columns:1fr}

.entry-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:all var(--transition);position:relative;overflow:hidden}
.entry-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.entry-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}
.entry-card.cat-password::before{background:var(--card-pw)}
.entry-card.cat-note::before{background:var(--card-note)}
.entry-card.cat-card::before{background:var(--card-card)}
.entry-card.cat-identity::before{background:var(--card-id)}

.entry-card-header{display:flex;align-items:flex-start;gap:12px;margin-bottom:12px}
.entry-type-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cat-password .entry-type-icon{background:rgba(99,102,241,.15);color:var(--card-pw)}
.cat-note    .entry-type-icon{background:rgba(34,197,94,.15);color:var(--card-note)}
.cat-card    .entry-type-icon{background:rgba(245,158,11,.15);color:var(--card-card)}
.cat-identity .entry-type-icon{background:rgba(236,72,153,.15);color:var(--card-id)}

.entry-card-info{flex:1;min-width:0}
.entry-card-title{font-weight:600;font-size:15px;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:3px}
.entry-card-sub{font-size:13px;color:var(--text3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.entry-card-actions{display:flex;gap:2px;opacity:0;transition:opacity var(--transition)}
.entry-card:hover .entry-card-actions{opacity:1}
.entry-fav{color:var(--text3)}
.entry-fav.active{color:var(--yellow)}

.entry-card-footer{display:flex;align-items:center;gap:8px;padding-top:10px;border-top:1px solid var(--border)}
.entry-quick-copy{display:flex;gap:4px;flex:1}
.quick-copy-btn{display:flex;align-items:center;gap:5px;padding:5px 10px;border-radius:var(--radius-sm);font-size:12px;font-weight:500;color:var(--text2);background:var(--surface2);border:1px solid var(--border);transition:all var(--transition)}
.quick-copy-btn:hover{background:var(--accent-glow);color:var(--accent);border-color:var(--accent)}
.quick-copy-btn.copied{color:var(--green);border-color:var(--green);background:rgba(34,197,94,.1)}

/* ── LIST VIEW CARD ── */
.list-view .entry-card{padding:10px 14px}
.list-view .entry-card::before{width:3px;right:auto;bottom:0;height:100%}
.list-view .entry-card-header{margin-bottom:0}
.list-view .entry-type-icon{width:32px;height:32px;border-radius:8px}
.list-view .entry-card-footer{display:none}

/* ── EMPTY STATE ── */
.entries-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:80px 20px;color:var(--text3)}
.entries-empty svg{opacity:.3}
.entries-empty p{font-size:16px}

/* ── TRASH ACTIONS ── */
.trash-actions{display:flex;justify-content:flex-end}

/* ── ENTRY MODAL SPECIFIC ── */
.modal-entry{max-width:700px}
.modal-entry .modal-body{gap:22px}

/* Category tabs */
.category-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.cat-tab{display:flex;flex-direction:column;align-items:center;gap:7px;padding:14px 6px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--surface2);color:var(--text3);font-size:12px;font-weight:500;cursor:pointer;transition:all var(--transition);line-height:1}
.cat-tab:hover{border-color:var(--border2);color:var(--text);background:var(--bg3)}
.cat-tab.active{border-color:var(--accent);background:var(--accent-glow);color:var(--accent)}
.cat-tab svg{flex-shrink:0}

/* Field card — subtle grouping box */
.field-card{background:var(--bg);border:1.5px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:18px}
.field-card-label{font-size:10px;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:.09em}

/* Strength row */
.strength-row{display:flex;align-items:center;gap:10px;margin-top:4px}
.strength-row .strength-bar{flex:1;margin:0}
.strength-row .strength-label{font-size:12px;color:var(--text3);min-width:42px}

/* Monospace for passwords / card numbers */
.input-mono{font-family:'SF Mono','Cascadia Code','Fira Code',monospace;letter-spacing:.04em}
.input-lg{font-size:16px;font-weight:500;padding:13px 16px}

/* category-fields layout */
.category-fields{display:flex;flex-direction:column;gap:18px}

/* ── MODALS ── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity var(--transition)}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);width:100%;max-width:560px;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow);transform:translateY(16px);transition:transform var(--transition)}
.modal-overlay.open .modal{transform:translateY(0)}
.modal-sm{max-width:440px}
.modal-view{max-width:560px}
.modal-header{display:flex;align-items:flex-start;justify-content:space-between;padding:22px 28px;border-bottom:1.5px solid var(--border);flex-shrink:0}
.modal-header h3{font-size:18px;font-weight:700}
.modal-subtitle{font-size:13px;color:var(--text3);margin-top:3px}
.modal-body{padding:24px 28px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:22px}
.modal-footer{padding:18px 28px;border-top:1.5px solid var(--border);display:flex;justify-content:flex-end;gap:10px;flex-shrink:0}

/* ── VIEW MODAL ── */
.view-header-left{display:flex;align-items:center;gap:12px;min-width:0}
.view-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:22px}
.view-header-left h3{font-size:17px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.view-category{font-size:12px;color:var(--text3);text-transform:capitalize}
.view-header-actions{display:flex;gap:4px;flex-shrink:0}
.view-field{display:flex;flex-direction:column;gap:4px;padding:12px;background:var(--surface2);border-radius:var(--radius-sm);border:1px solid var(--border)}
.view-field-label{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:.06em}
.view-field-value{font-size:15px;color:var(--text);word-break:break-all;display:flex;align-items:center;gap:8px}
.view-field-value span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.view-field-value.multiline span{white-space:pre-wrap}
.view-field-hidden span{filter:blur(6px);transition:filter .2s}
.view-field-hidden:hover span{filter:none}
.view-field-value .icon-btn{opacity:.6;flex-shrink:0}
.view-field-value .icon-btn:hover{opacity:1}
.view-fav-star svg{transition:all .2s}
.view-fav-star.active svg{fill:var(--yellow);stroke:var(--yellow)}
.view-trash-btn:hover{color:var(--red)}

/* ── GENERATOR MODAL ── */
.gen-result{display:flex;gap:4px}
.gen-result input{font-family:monospace;font-size:15px;letter-spacing:.05em}
.gen-options{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.checkbox-label{display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer;color:var(--text2)}
.checkbox-label:hover{color:var(--text)}

/* ── IMPORT/EXPORT ── */
.import-result{padding:12px;border-radius:var(--radius-sm);font-size:13px}
.import-result.success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:var(--green)}
.import-result.error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:var(--red)}
.export-options{display:flex;flex-direction:column;gap:8px}
.export-option{display:flex;align-items:flex-start;gap:12px;padding:12px;background:var(--surface2);border:1.5px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:border-color var(--transition)}
.export-option:has(input:checked){border-color:var(--accent);background:var(--accent-glow)}
.export-option-body{display:flex;flex-direction:column;gap:2px}
.export-option-body strong{font-size:14px;font-weight:600}
.export-option-body span{font-size:12px;color:var(--text3)}
.export-warning{font-size:12px;color:var(--orange);display:flex;align-items:flex-start;gap:6px;margin-top:4px}

/* ── SETTINGS MODAL ── */
.modal-settings{max-width:540px}
.settings-tabs-bar{display:flex;border-bottom:1.5px solid var(--border);padding:0 28px;flex-shrink:0;background:var(--surface)}
.settings-tab{display:flex;align-items:center;gap:7px;padding:13px 16px;font-size:13px;font-weight:500;color:var(--text3);border-bottom:2px solid transparent;margin-bottom:-1.5px;cursor:pointer;transition:all var(--transition);white-space:nowrap}
.settings-tab:hover{color:var(--text2)}
.settings-tab.active{color:var(--accent);border-bottom-color:var(--accent)}
.settings-body{padding:0;gap:0}
.settings-panel{display:none;flex-direction:column;gap:20px;padding:26px 28px 30px}
.settings-panel.active{display:flex}
.settings-desc{font-size:13px;color:var(--text2);line-height:1.6}
.settings-actions{display:flex;justify-content:flex-end;padding-top:4px}
.settings-info{font-size:13px;color:var(--text2);line-height:1.6;padding:12px 14px;background:var(--surface2);border-radius:var(--radius-sm);border-left:3px solid var(--accent)}
.settings-notice{display:flex;gap:12px;padding:14px 16px;border-radius:var(--radius-sm)}
.settings-notice.warning{background:rgba(245,158,11,.07);border:1.5px solid rgba(245,158,11,.2);color:var(--orange)}
.settings-notice strong{font-size:13px;font-weight:600;display:block;margin-bottom:5px;color:var(--text)}
.settings-notice p{font-size:12px;color:var(--text2);line-height:1.6;margin:0}

/* Danger zone */
.danger-zone-card{border:1.5px solid rgba(239,68,68,.3);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:18px;background:rgba(239,68,68,.03)}
.danger-zone-header{display:flex;align-items:center;gap:10px;color:var(--red)}
.danger-zone-header strong{font-size:15px;font-weight:700}
.danger-zone-card>p{font-size:13px;color:var(--text2);line-height:1.6}

/* Spinner for re-encrypt in progress */
@keyframes spin{to{transform:rotate(360deg)}}
.spin{animation:spin .8s linear infinite}

/* ── TOAST ── */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:10px 20px;font-size:13px;font-weight:500;color:var(--text);box-shadow:var(--shadow);z-index:999;transition:transform .3s ease,opacity .3s ease;opacity:0;pointer-events:none;white-space:nowrap}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.toast.success{border-color:var(--green);color:var(--green)}
.toast.error{border-color:var(--red);color:var(--red)}

/* ── THEME TOGGLE ── */
[data-theme="light"] .icon-moon{display:none!important}
[data-theme="light"] .icon-sun{display:inline!important}
[data-theme="dark"]  .icon-sun{display:none!important}
[data-theme="dark"]  .icon-moon{display:inline!important}

/* ── SCROLLBAR ── */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border2);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text3)}

/* ── RESPONSIVE ── */
@media(max-width:768px){
  /* ── Header: 2-row layout ── */
  .app-header{flex-wrap:wrap;height:auto;padding:10px 12px;gap:4px 8px}
  .header-left{flex:1;gap:8px}
  .logo span{display:none}                                /* hide "SecVault" text, keep icon */
  .header-right{margin-left:0;gap:4px}
  .header-search{order:3;flex-basis:100%;max-width:none;margin:0;padding:0 10px}
  .header-search kbd{display:none}

  /* User button: show avatar only, hide name + chevron */
  .user-btn>span:not(.avatar),.user-btn>svg{display:none}
  .user-btn{padding:4px}

  /* Sidebar: top matches 2-row header height (~102px) */
  .sidebar{position:fixed;left:0;top:102px;bottom:0;z-index:40;transform:translateX(-100%)}
  .sidebar.mobile-open{transform:translateX(0);width:260px}

  /* Dim overlay when sidebar is open */
  .sidebar-overlay{display:none;position:fixed;inset:0;top:102px;background:rgba(0,0,0,.5);z-index:39}
  .sidebar-overlay.open{display:block}

  .main-content{padding:12px}
  .entries-grid{grid-template-columns:1fr}
  .form-row{flex-direction:column}

  /* Modal: full-screen on small phones */
  .modal{max-width:100% !important;margin:0;border-radius:var(--radius) var(--radius) 0 0;max-height:92vh}
  .modal-overlay{align-items:flex-end}

  /* Settings tabs: smaller text */
  .settings-tab{font-size:12px;padding:8px 10px;gap:4px}
  .settings-tab svg{display:none}
}