/* ── Spectrum 21 v3 Admin Panel Styles ── */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:opsz,wght@9..40,300;9..40,400;9..40,500&display=swap');

:root {
  --bg: #0B0F1A; --bg2: #0E1422; --card: #121826; --card2: #162035;
  --border: #1F2A3A; --border2: rgba(31,60,136,0.4);
  --blue: #1F3C88; --blue-mid: #2356B4; --blue-light: #2D9CDB;
  --green: #27AE60; --green-d: #1E8449;
  --text: #FFFFFF; --text-2: #A0AEC0; --text-3: #4A5568;
  --danger: #c0392b; --success: #27ae60;
  --font-h: 'DM Serif Display',serif; --font-b: 'DM Sans',sans-serif;
  --ease: cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased}
body{background:var(--bg);color:var(--text);font-family:var(--font-b);font-weight:300;display:flex;min-height:100vh;line-height:1.6}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;font-family:inherit;color:inherit}
input,textarea,select{font-family:inherit}
::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:var(--bg2)}::-webkit-scrollbar-thumb{background:var(--blue);border-radius:2px}

/* Sidebar */
.sidebar{width:235px;flex-shrink:0;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;overflow-y:auto;z-index:50}
.sb-brand{padding:1.75rem 1.5rem 1.5rem;border-bottom:1px solid var(--border)}
.sb-logo{display:flex;align-items:center;gap:.65rem;margin-bottom:.1rem}
.sb-logo-icon{width:32px;height:32px;border-radius:7px;background:linear-gradient(135deg,#1F3C88,#27AE60);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sb-logo-icon svg{width:17px;height:17px}
.sb-logo-text{font-family:var(--font-h);font-size:1.05rem;font-weight:400;letter-spacing:.05em;color:var(--text)}
.sb-logo-text span{color:var(--blue-light)}
.sb-sub{font-size:.58rem;letter-spacing:.45em;text-transform:uppercase;color:var(--text-3);margin-top:.2rem}
.sb-nav{flex:1;padding:1.1rem 0}
.sb-section{font-size:.55rem;letter-spacing:.5em;text-transform:uppercase;color:var(--text-3);padding:.4rem 1.4rem;margin-top:.6rem}
.sb-item{display:flex;align-items:center;gap:.7rem;padding:.72rem 1.4rem;font-size:.8rem;color:var(--text-3);border-left:2px solid transparent;cursor:pointer;transition:all .2s}
.sb-item svg{width:15px;height:15px;flex-shrink:0}
.sb-item:hover{color:var(--text-2);background:rgba(31,60,136,.06)}
.sb-item.active{color:var(--blue-light);border-left-color:var(--blue-light);background:rgba(45,156,219,.08)}
.sb-foot{padding:1.1rem 1.4rem;border-top:1px solid var(--border);font-size:.72rem;color:var(--text-3);line-height:1.6}
.sb-foot a{color:var(--blue-light)}

/* Main */
.main{flex:1;margin-left:235px;display:flex;flex-direction:column;min-height:100vh}
.topbar{background:var(--bg2);border-bottom:1px solid var(--border);padding:.85rem 2rem;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40}
.topbar-title{font-size:.72rem;letter-spacing:.25em;text-transform:uppercase;color:var(--text-2);font-weight:400}
.topbar-right{display:flex;align-items:center;gap:.75rem;font-size:.72rem;color:var(--text-3)}
.btn-logout{padding:.35em 1em;border:1px solid var(--border);font-size:.65rem;letter-spacing:.25em;text-transform:uppercase;color:var(--text-3);background:none;transition:all .2s}
.btn-logout:hover{border-color:var(--danger);color:var(--danger)}
.content{flex:1;padding:2rem}

/* Stats row */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1px;background:var(--border);border:1px solid var(--border);border-radius:4px;overflow:hidden;margin-bottom:2rem}
.stat-card{background:var(--card);padding:1.4rem 1.2rem;transition:background .2s}
.stat-card:hover{background:var(--card2)}
.stat-lbl{font-size:.58rem;letter-spacing:.4em;text-transform:uppercase;color:var(--blue-light);margin-bottom:.35rem}
.stat-val{font-family:var(--font-h);font-size:1.9rem;font-weight:400;line-height:1;color:var(--text)}
.stat-sub{font-size:.68rem;color:var(--text-3);margin-top:.2rem}

/* Panels */
.panel{background:var(--card);border:1px solid var(--border);border-radius:4px;margin-bottom:1.5rem;display:none}
.panel.active{display:block;animation:fadeUp .35s var(--ease) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.panel-head{padding:1rem 1.5rem;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:.6rem}
.panel-head h2{font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:var(--text-2);font-weight:400}
.panel-head svg{width:15px;height:15px;color:var(--blue-light);flex-shrink:0}
.panel-body{padding:1.75rem 1.5rem}

/* Forms */
.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.1rem}
.full{grid-column:1/-1}
.fg{display:flex;flex-direction:column;gap:.4rem}
label{font-size:.6rem;letter-spacing:.35em;text-transform:uppercase;color:var(--text-3);font-weight:400}
input[type=text],input[type=url],input[type=password],textarea,select{
  background:var(--card2);border:1px solid var(--border);color:var(--text);
  padding:.65rem .9rem;font-size:.85rem;width:100%;outline:none;
  border-radius:3px;transition:border-color .2s
}
input:focus,textarea:focus,select:focus{border-color:var(--blue-light)}
textarea{resize:vertical;min-height:80px}
.hint{font-size:.68rem;color:var(--text-3);margin-top:.2rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.45rem;padding:.62em 1.5em;font-family:inherit;font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;cursor:pointer;transition:all .2s;border:none;border-radius:3px}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-mid));color:#fff}
.btn-primary:hover{opacity:.9}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-3)}
.btn-outline:hover{border-color:var(--blue-light);color:var(--blue-light)}

/* Alert */
.alert{padding:.8rem 1.1rem;font-size:.82rem;border-left:2px solid;border-radius:3px;margin-bottom:1.5rem}
.alert-ok{background:rgba(39,174,96,.08);border-color:var(--success);color:#5ddb8a}
.alert-err{background:rgba(192,57,43,.08);border-color:var(--danger);color:#e74c3c}

/* Table */
.tbl{width:100%;border-collapse:collapse}
.tbl th{font-size:.58rem;letter-spacing:.4em;text-transform:uppercase;color:var(--blue-light);padding:.7rem .9rem;border-bottom:1px solid var(--border);text-align:left;font-weight:400}
.tbl td{padding:.75rem .9rem;font-size:.8rem;color:var(--text-3);border-bottom:1px solid rgba(31,42,58,.6)}
.tbl tr:hover td{color:var(--text-2);background:rgba(255,255,255,.01)}

/* Chart */
.chart-bars{display:flex;align-items:flex-end;gap:3px;height:72px;margin-top:.75rem}
.cb{flex:1;background:var(--blue-mid);border-radius:1px 1px 0 0;opacity:.6;min-height:3px;transition:opacity .2s}
.cb:hover{opacity:1}
.chart-days{display:flex;gap:3px;margin-top:.35rem}
.chart-days span{flex:1;font-size:.55rem;color:var(--text-3);text-align:center}

/* Logo preview */
.logo-preview{max-height:56px;border:1px solid var(--border);border-radius:4px;padding:.4rem .6rem;background:var(--card2);margin-bottom:.75rem}

/* Login */
.login-page{min-height:100vh;width:100%;display:flex;align-items:center;justify-content:center;background:var(--bg)}
.login-box{width:100%;max-width:400px;background:var(--card);border:1px solid var(--border);border-radius:6px;padding:3rem 2.5rem}
.login-icon{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,#1F3C88,#27AE60);display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}
.login-icon svg{width:26px;height:26px}
.login-title{font-family:var(--font-h);font-size:1.5rem;font-weight:400;letter-spacing:.05em;text-align:center;margin-bottom:.2rem}
.login-title span{color:var(--blue-light)}
.login-sub{font-size:.6rem;letter-spacing:.4em;text-transform:uppercase;color:var(--text-3);text-align:center;margin-bottom:2rem}
.login-box .fg{margin-bottom:1rem}
.btn-login{width:100%;justify-content:center;padding:.85em;font-size:.75rem;margin-top:.5rem}
.login-back{text-align:center;margin-top:1.25rem;font-size:.75rem;color:var(--text-3)}
.login-back a{color:var(--blue-light)}

@media(max-width:900px){.sidebar{display:none}.main{margin-left:0}}