:root{
    --bg:#fafafa;
    --bg-card:#ffffff;
    --text:#1a1a1a;
    --text-soft:#2c2c2c;
    --muted:#6b7280;
    --border:#e5e7eb;
    --border-light:#f3f4f6;
    --accent:#3b82f6;
    --accent-hover:#2563eb;
    --hover:#f9fafb;
    --hover-strong:#f3f4f6;
    --primary:#3b82f6;
    --secondary:#8b5cf6;
    --radius:10px;
    --radius-sm:6px;
    --radius-lg:14px;
    --focus:rgba(59,130,246,.15);
    --shadow:0 1px 3px rgba(0,0,0,0.05),0 1px 2px rgba(0,0,0,0.06);
    --shadow-md:0 4px 6px -1px rgba(0,0,0,0.08),0 2px 4px -1px rgba(0,0,0,0.04);
    --shadow-lg:0 10px 15px -3px rgba(0,0,0,0.08),0 4px 6px -2px rgba(0,0,0,0.04);
    --info:#3b82f6;
    --success:#10b981;
    --warning:#f59e0b;
    --danger:#ef4444;
}
body{
    font-family:-apple-system,BlinkMacSystemFont,"Helvetica Neue",Helvetica,Arial,sans-serif;
    margin:0;
    color:var(--text);
    background:var(--bg);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale
}
.container{max-width:1200px;margin:0 auto;padding:32px 24px}
*,*::before,*::after{box-sizing:border-box}

.drop-zone{
    border:2px dashed var(--border);
    border-radius:var(--radius-lg);
    padding:48px 24px;
    text-align:center;
    background:var(--bg-card);
    transition:all .25s cubic-bezier(0.4,0,0.2,1);
    cursor:pointer;
    margin-bottom:24px;
    position:relative;
    box-shadow:var(--shadow)
}
.drop-zone:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.drop-zone.dragover{
    border-color:var(--accent);
    background:rgba(59,130,246,.03);
    transform:scale(1.01);
    box-shadow:var(--shadow-lg)
}
.drop-zone .icon{
    font-size:40px;
    margin-bottom:12px;
    opacity:.85;
    background:linear-gradient(135deg,rgba(59,130,246,.08),rgba(139,92,246,.08));
    border-radius:var(--radius-lg);
    width:56px;
    height:56px;
    display:inline-flex;
    align-items:center;
    justify-content:center
}
.drop-zone .text{font-size:16px;font-weight:600;margin-bottom:6px;color:var(--text);letter-spacing:-.01em}
.drop-zone .subtext{font-size:13px;color:var(--muted);font-weight:500}
.drop-zone input[type=file]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;z-index:1}

.button{
    appearance:none;
    border:none;
    background:var(--accent);
    color:#fff;
    padding:11px 20px;
    border-radius:var(--radius);
    font-size:14px;
    font-weight:600;
    cursor:pointer;
    transition:all .2s cubic-bezier(0.4,0,0.2,1);
    box-shadow:var(--shadow);
    letter-spacing:-.01em;
    margin:20px 0
}
.button:hover:not(:disabled){
    background:var(--accent-hover);
    transform:translateY(-1px);
    box-shadow:var(--shadow-md)
}
.button:active:not(:disabled){transform:translateY(0);box-shadow:var(--shadow)}
.button:disabled{background:#d1d5db;cursor:not-allowed;opacity:.6;transform:none}
.button.secondary{background:var(--secondary)}
.button.secondary:hover:not(:disabled){background:#7c3aed}
.button.primary{background:var(--primary)}
.button.outline{
    background:transparent;
    color:var(--text);
    border:1.5px solid var(--border);
    box-shadow:none
}
.button.ghost{background:transparent;color:var(--text);box-shadow:none}
.button.sm{padding:7px 14px;font-size:13px;border-radius:var(--radius-sm)}
.button.lg{padding:13px 24px;font-size:15px;border-radius:var(--radius)}
.button.outline:hover:not(:disabled){background:var(--hover-strong);border-color:var(--accent);color:var(--accent)}
.button.ghost:hover:not(:disabled){background:var(--hover-strong)}
.button.info{background:var(--info)}
.button.success{background:var(--success)}
.button.success:hover:not(:disabled){background:#059669}
.button.warning{background:var(--warning);color:#78350f}
.button.warning:hover:not(:disabled){background:#d97706}
.button.danger{background:var(--danger)}
.button.danger:hover:not(:disabled){background:#dc2626}
.button.loading{position:relative;color:transparent}
.button.loading:after{content:"";position:absolute;inset:50% auto auto 50%;width:16px;height:16px;margin:-8px 0 0 -8px;border:2px solid rgba(255,255,255,.6);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(1turn)}}

/* Icon Button */
.icon-button{
    appearance:none;
    border:1.5px solid var(--border);
    background:var(--bg-card);
    color:var(--text);
    width:36px;
    height:36px;
    border-radius:var(--radius-sm);
    display:flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    transition:all .2s cubic-bezier(0.4,0,0.2,1);
    box-shadow:var(--shadow)
}
.icon-button:hover{background:var(--hover-strong);border-color:var(--accent);color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.icon-button:disabled{opacity:.5;cursor:not-allowed;transform:none}
.icon-button svg{width:18px;height:18px;display:block;pointer-events:none}
.icon-button.danger{background:var(--danger);border-color:transparent;color:#fff}
.icon-button.danger:hover{background:#dc2626;transform:translateY(-1px)}
.icon-button.danger-outline{background:transparent;border-color:var(--danger);color:var(--danger)}
.icon-button.danger-outline:hover{background:rgba(239,68,68,.08)}

/* Mask-based icons (color via currentColor) */
.icon{display:inline-block;width:18px;height:18px}
.icon-trash{background-color:currentColor;-webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='3 6 5 6 21 6'/%3E%3Cpath d='M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6'/%3E%3Cpath d='M10 11v6'/%3E%3Cpath d='M14 11v6'/%3E%3Cpath d='M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2'/%3E%3C/svg%3E") no-repeat center/contain;mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='3 6 5 6 21 6'/%3E%3Cpath d='M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6'/%3E%3Cpath d='M10 11v6'/%3E%3Cpath d='M14 11v6'/%3E%3Cpath d='M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2'/%3E%3C/svg%3E") no-repeat center/contain}

.note{font-size:13px;color:var(--muted);font-weight:500}
.error{font-size:13px;color:var(--danger);margin-left:8px;font-weight:500}
.card{
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    background:var(--bg-card);
    box-shadow:var(--shadow);
    overflow:hidden
}
.card.padded{padding:20px}
.card.hoverable{transition:all .2s cubic-bezier(0.4,0,0.2,1)}
.card.hoverable:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.grid{display:grid;gap:20px}

@media (max-width:768px){.container{padding:24px 16px}}

/* Inputs & Fields */
label{font-size:13px;color:var(--text);font-weight:600;margin-bottom:8px;display:block;letter-spacing:-.01em}
input[type=text],input[type=number],input[type=email],input[type=password],select,textarea{
    width:100%;
    padding:11px 14px;
    border:1.5px solid var(--border);
    outline:none;
    background:var(--bg-card);
    border-radius:var(--radius);
    font-size:14px;
    color:var(--text);
    transition:all .2s cubic-bezier(0.4,0,0.2,1);
    box-shadow:var(--shadow)
}
input[type=text]:hover,input[type=number]:hover,input[type=email]:hover,input[type=password]:hover,select:hover,textarea:hover{border-color:var(--accent)}
input[type=text]:focus,input[type=number]:focus,input[type=email]:focus,input[type=password]:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--focus)}
.field input::placeholder,.field textarea::placeholder{color:var(--muted);opacity:.65}
.field input:disabled,.field select:disabled,.field textarea:disabled{background:var(--hover);color:var(--muted);cursor:not-allowed;opacity:.7}
.is-invalid{border-color:var(--danger)!important;box-shadow:0 0 0 3px rgba(239,68,68,.1)!important}
.is-valid{border-color:var(--success)!important;box-shadow:0 0 0 3px rgba(16,185,129,.1)!important}
.field{margin-bottom:18px;min-width:0}
.row .field{flex:1 1 260px;min-width:240px}
.field .hint{font-size:12px;color:var(--muted);margin-top:6px;font-weight:500}
.field .error-text{font-size:12px;color:var(--danger);margin-top:6px;font-weight:500}

/* Switch, Checkbox, Radio */
.switch{position:relative;display:inline-block;width:48px;height:26px}
.switch input{opacity:0;width:0;height:0}
.switch .slider{
    position:absolute;
    cursor:pointer;
    inset:0;
    background:#d1d5db;
    border-radius:999px;
    transition:all .25s cubic-bezier(0.4,0,0.2,1);
    box-shadow:var(--shadow)
}
.switch .slider:before{
    content:"";
    position:absolute;
    height:20px;
    width:20px;
    left:3px;
    top:3px;
    background:#fff;
    border-radius:50%;
    transition:all .25s cubic-bezier(0.4,0,0.2,1);
    box-shadow:0 2px 4px rgba(0,0,0,.15)
}
.switch input:checked+.slider{background:var(--accent)}
.switch input:checked+.slider:before{transform:translateX(22px)}
.switch input:focus-visible+.slider{box-shadow:0 0 0 3px var(--focus)}
.checkbox, .radio{display:flex;align-items:center;gap:10px;font-size:14px}
.checkbox input:focus-visible,.radio input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* Badges & Alerts */
.badge{
    display:inline-block;
    padding:4px 10px;
    border-radius:999px;
    font-size:11px;
    font-weight:700;
    letter-spacing:.02em;
    text-transform:uppercase
}
.badge.primary{background:rgba(59,130,246,.12);color:#1e40af}
.badge.secondary{background:rgba(139,92,246,.12);color:#5b21b6}
.badge.info{background:rgba(59,130,246,.12);color:#1e40af}
.badge.success{background:rgba(16,185,129,.12);color:#065f46}
.badge.warning{background:rgba(245,158,11,.15);color:#92400e}
.badge.error{background:rgba(239,68,68,.12);color:#991b1b}
.alert{
    padding:14px 18px;
    border-radius:var(--radius);
    border:1.5px solid;
    font-size:14px;
    font-weight:500
}
.alert.info{border-color:#93c5fd;background:#dbeafe;color:#1e40af}
.alert.success{border-color:#6ee7b7;background:#d1fae5;color:#065f46}
.alert.warning{border-color:#fcd34d;background:#fef3c7;color:#92400e}
.alert.error{border-color:#fca5a5;background:#fee2e2;color:#991b1b}

/* Modal */
.modal-backdrop{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.4);
    opacity:0;
    pointer-events:none;
    transition:opacity .25s cubic-bezier(0.4,0,0.2,1);
    backdrop-filter:blur(2px);
    -webkit-backdrop-filter:blur(2px)
}
.modal{
    position:fixed;
    inset:0;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:24px;
    opacity:0;
    pointer-events:none;
    z-index:1000
}
.modal.open{opacity:1;pointer-events:auto}
.modal.open+.modal-backdrop{opacity:1;pointer-events:auto}
.modal .dialog{
    width:min(640px,92vw);
    background:var(--bg-card);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:var(--shadow-lg);
    overflow:hidden;
    transform:scale(.95);
    transition:transform .25s cubic-bezier(0.4,0,0.2,1)
}
.modal.open .dialog{transform:scale(1)}
.modal .header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border)}
.modal .title{font-weight:700;font-size:16px;letter-spacing:-.02em}
.modal .body{padding:20px}
.modal .footer{display:flex;gap:10px;justify-content:flex-end;padding:16px 20px;border-top:1px solid var(--border);background:var(--bg)}

/* Tabs */
.tabs{display:block}
.tab-list{display:flex;gap:6px;border-bottom:2px solid var(--border-light);margin-bottom:16px}
.tab{
    appearance:none;
    border:none;
    background:transparent;
    padding:10px 16px;
    font-size:14px;
    font-weight:600;
    color:var(--muted);
    cursor:pointer;
    transition:all .2s cubic-bezier(0.4,0,0.2,1);
    border-bottom:2px solid transparent;
    margin-bottom:-2px
}
.tab:hover{color:var(--text);background:var(--hover)}
.tab[aria-selected=true],.tab.active{
    color:var(--accent);
    border-bottom-color:var(--accent)
}
.tab-panel{display:none}
.tab-panel.active{display:block}

/* Toast */
.toast-container{position:fixed;right:20px;bottom:20px;display:flex;flex-direction:column;gap:10px;z-index:1100}
.toast{
    padding:12px 16px;
    border-radius:var(--radius);
    background:var(--text);
    color:#fff;
    box-shadow:var(--shadow-lg);
    font-size:13px;
    font-weight:600;
    min-width:200px;
    animation:slideIn .3s cubic-bezier(0.4,0,0.2,1)
}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
.toast.success{background:var(--success)}
.toast.error{background:var(--danger)}
.toast.info{background:var(--info)}
.toast.warning{background:var(--warning);color:#78350f}

/* Navbar */
.navbar{
    position:sticky;
    top:0;
    z-index:100;
    background:var(--bg-card);
    border-bottom:1px solid var(--border);
    box-shadow:var(--shadow);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px)
}
.navbar-container{
    max-width:1200px;
    margin:0 auto;
    padding:12px 24px;
    display:flex;
    align-items:center;
    justify-content:space-between
}
.navbar-logo{
    display:flex;
    align-items:center;
    gap:10px;
    text-decoration:none;
    color:var(--text);
    font-weight:700;
    font-size:18px;
    letter-spacing:-.02em;
    transition:opacity .2s ease
}
.navbar-logo:hover{opacity:.7}
.navbar-logo img{width:28px;height:28px;display:block}
.navbar-search-btn{
    appearance:none;
    border:none;
    background:transparent;
    color:var(--muted);
    padding:8px;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:color .2s ease
}
.navbar-search-btn:hover{
    color:var(--text)
}
.navbar-search-btn svg{width:20px;height:20px;display:block}
.navbar-search-btn span{display:none}

/* Spotlight Search */
.spotlight-backdrop{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.5);
    opacity:0;
    pointer-events:none;
    transition:opacity .3s cubic-bezier(0.4,0,0.2,1);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    z-index:1000
}
.spotlight-backdrop.open{opacity:1;pointer-events:auto}
.spotlight-search{
    position:fixed;
    top:15%;
    left:50%;
    transform:translate(-50%,-20px);
    width:min(600px,90vw);
    background:var(--bg-card);
    border:1px solid var(--border);
    border-radius:var(--radius-lg);
    box-shadow:0 20px 60px rgba(0,0,0,.3);
    opacity:0;
    pointer-events:none;
    transition:all .3s cubic-bezier(0.4,0,0.2,1);
    z-index:1001;
    overflow:hidden
}
.spotlight-search.open{
    opacity:1;
    pointer-events:auto;
    transform:translate(-50%,0)
}
.spotlight-input-wrapper{
    padding:18px 20px;
    border-bottom:1px solid var(--border);
    display:flex;
    align-items:center;
    gap:12px
}
.spotlight-input-wrapper svg{width:20px;height:20px;color:var(--muted)}
.spotlight-input{
    flex:1;
    border:none;
    outline:none;
    background:transparent;
    font-size:18px;
    color:var(--text);
    font-weight:500
}
.spotlight-input::placeholder{color:var(--muted);opacity:.7}
.spotlight-results{
    max-height:400px;
    overflow-y:auto;
    padding:8px 0
}
.spotlight-result{
    padding:12px 20px;
    cursor:pointer;
    transition:background .15s ease;
    display:flex;
    align-items:center;
    gap:12px;
    text-decoration:none;
    color:var(--text)
}
.spotlight-result:hover,.spotlight-result.selected{background:var(--hover-strong)}
.spotlight-result-icon{
    font-size:20px;
    width:32px;
    height:32px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:linear-gradient(135deg,rgba(59,130,246,.08),rgba(139,92,246,.08));
    border-radius:var(--radius-sm);
    flex-shrink:0
}
.spotlight-result-content{flex:1;min-width:0}
.spotlight-result-title{
    font-weight:600;
    font-size:14px;
    margin-bottom:2px;
    letter-spacing:-.01em
}
.spotlight-result-description{
    font-size:12px;
    color:var(--muted);
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis
}
.spotlight-empty{
    padding:40px 20px;
    text-align:center;
    color:var(--muted);
    font-size:14px
}
@media (max-width:768px){
    .navbar-container{padding:10px 16px}
    .navbar-logo{font-size:16px}
    .navbar-logo img{width:24px;height:24px}
    .spotlight-search{top:10%}
}

/* Utilities */
.stack{display:flex;flex-direction:column;gap:16px}
.row{display:flex;gap:14px;flex-wrap:wrap;align-items:flex-start}
.center{display:flex;align-items:center;justify-content:center}
.hidden{display:none!important}
.mt-16{margin-top:20px}
.text-center{text-align:center}