/* Nilasu Platform — base.css */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;background:var(--bg);color:var(--text-primary);font-family:var(--font-body);font-size:14px;line-height:1.6;overflow:hidden;-webkit-font-smoothing:antialiased}
*{transition-property:background-color,border-color,color,box-shadow;transition-duration:0.2s;transition-timing-function:ease}
input,select,textarea,button{transition:background-color .2s ease,border-color .15s ease,color .2s ease,opacity .15s ease,transform .15s ease}

/* ── AUTH ───────────────────────────────────────────────────────── */
#auth-screen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg);z-index:100}
.auth-bg{position:absolute;inset:0;overflow:hidden}
.auth-bg::before{content:'';position:absolute;width:500px;height:500px;background:radial-gradient(circle,rgba(124,113,255,.10) 0,transparent 70%);top:-80px;left:-80px;border-radius:50%}
.auth-bg::after{content:'';position:absolute;width:350px;height:350px;background:radial-gradient(circle,rgba(77,147,117,.06) 0,transparent 70%);bottom:-40px;right:80px;border-radius:50%}
.auth-card{position:relative;background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:44px 40px;width:400px;z-index:1;box-shadow:0 8px 40px rgba(0,0,0,.15)}
.auth-logo{display:flex;align-items:center;gap:10px;margin-bottom:32px}
.auth-logo-mark{width:32px;height:32px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:800;font-size:15px;color:white}
.auth-logo-name{font-family:var(--font-display);font-size:20px;font-weight:700;letter-spacing:-.4px}
.auth-title{font-family:var(--font-display);font-size:24px;font-weight:700;letter-spacing:-.5px;margin-bottom:5px}
.auth-sub{font-size:13.5px;color:var(--text-secondary);margin-bottom:28px}
.field-group{margin-bottom:16px}
.field-label{display:block;font-size:12px;font-weight:500;color:var(--text-secondary);letter-spacing:.2px;margin-bottom:7px}
.field-input{width:100%;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;color:var(--text-primary);font-family:var(--font-body);font-size:14px;outline:none}
.field-input:focus{border-color:var(--accent);background:var(--bg-card)}
.field-input::placeholder{color:var(--text-muted)}
.btn-primary{width:100%;background:var(--accent);color:white;border:none;border-radius:var(--radius-sm);padding:11px;font-family:var(--font-display);font-size:14px;font-weight:600;cursor:pointer;margin-top:8px;letter-spacing:-.1px}
.btn-primary:hover:not(:disabled){opacity:.88}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-microsoft{width:100%;background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px;font-family:var(--font-display);font-size:14px;font-weight:600;cursor:pointer;margin-top:8px;display:flex;align-items:center;justify-content:center;gap:10px}
.btn-microsoft:hover{background:var(--bg-hover)}
.auth-divider{text-align:center;color:var(--text-muted);font-size:12px;margin:14px 0;position:relative}
.auth-divider::before,.auth-divider::after{content:'';position:absolute;top:50%;width:38%;height:1px;background:var(--border)}
.auth-divider::before{left:0}.auth-divider::after{right:0}
.auth-error{background:var(--red-soft);border:1px solid var(--red-mid);border-radius:var(--radius-sm);padding:10px 14px;font-size:13px;color:var(--red);margin-bottom:14px;display:none}

/* Theme toggle */
.tt-track{width:46px;height:26px;border-radius:13px;background:var(--bg-elevated);border:1px solid var(--border-active);position:relative;flex-shrink:0;cursor:pointer}
.tt-knob{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;transition:transform .35s cubic-bezier(.34,1.56,.64,1)!important;font-size:10px}
[data-theme="light"] .tt-knob{transform:translateX(20px)}
.tt-moon{display:block}[data-theme="light"] .tt-moon{display:none}
.tt-sun{display:none}[data-theme="light"] .tt-sun{display:block}

/* ── TOAST ──────────────────────────────────────────────────────── */
.toast{position:fixed;bottom:20px;right:20px;background:var(--bg-card);border:1px solid var(--border-active);border-radius:10px;padding:12px 18px;font-size:13.5px;z-index:999;transform:translateY(16px);opacity:0;transition:all .25s ease;max-width:320px;box-shadow:0 8px 24px rgba(0,0,0,.18);font-weight:500}
.toast.show{transform:translateY(0);opacity:1}
.toast.success{border-color:rgba(77,147,117,.35);color:var(--green)}
.toast.error{border-color:var(--red-mid);color:var(--red)}
.toast.info{border-color:var(--accent-mid);color:var(--accent)}

/* ── LOADING / SPINNER ──────────────────────────────────────────── */
.loading{text-align:center;padding:40px;color:var(--text-muted)}
.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin-right:8px}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── EMPTY STATE ────────────────────────────────────────────────── */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}
.empty-icon{font-size:40px;margin-bottom:14px;opacity:.5}
.empty-text{font-size:15px;margin-bottom:8px;color:var(--text-secondary)}
.empty-sub{font-size:13px}

/* ── MISC ───────────────────────────────────────────────────────── */
.hidden{display:none!important}
.duplicate-warn{font-size:12px;color:var(--amber);margin-top:4px;display:none}
.duplicate-warn.show{display:block}
.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:600}

/* ── SCROLLBARS ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.18); }
::-webkit-scrollbar-corner { background: transparent; }
* { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.1) transparent; }