/* ============================================================
   css/main.css  —  Global styles, components, utilities
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=DM+Mono:wght@400;500&display=swap');

:root {
  --primary:      #1565C0;
  --primary-d:    #0D47A1;
  --primary-l:    #1976D2;
  --primary-xl:   #E3F2FD;
  --accent:       #00BCD4;
  --success:      #2E7D32;
  --success-l:    #4CAF50;
  --success-bg:   #E8F5E9;
  --warning:      #F57F17;
  --warning-bg:   #FFF8E1;
  --danger:       #C62828;
  --danger-bg:    #FFEBEE;
  --bg:           #F0F4FF;
  --surface:      #FFFFFF;
  --surface2:     #F8FAFF;
  --border:       #DDE6FF;
  --text:         #0D1B3E;
  --text2:        #4A5B8A;
  --text3:        #8A9BC4;
  --shadow:       0 2px 16px rgba(21,101,192,.09);
  --shadow-lg:    0 6px 36px rgba(21,101,192,.14);
  --r:            14px;
  --r-sm:         9px;
  --tr:           all .18s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
button{cursor:pointer;font-family:inherit}
input,select{font-family:inherit}

::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

/* ── SCREENS ── */
.screen{display:none;min-height:100vh}
.screen.active{display:flex}

/* ── BUTTONS ── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 20px;border-radius:var(--r-sm);font-size:13px;font-weight:600;border:none;transition:var(--tr);white-space:nowrap;line-height:1;cursor:pointer}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-l));color:#fff;box-shadow:0 3px 14px rgba(21,101,192,.28)}
.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 5px 22px rgba(21,101,192,.38)}
.btn-success{background:linear-gradient(135deg,var(--success),var(--success-l));color:#fff;box-shadow:0 3px 12px rgba(46,125,50,.25)}
.btn-success:hover:not(:disabled){transform:translateY(-1px)}
.btn-danger{background:var(--danger);color:#fff;box-shadow:0 3px 12px rgba(198,40,40,.22)}
.btn-warning{background:var(--warning);color:#fff}
.btn-outline{background:var(--surface);color:var(--primary);border:2px solid var(--border)}
.btn-outline:hover:not(:disabled){border-color:var(--primary);background:var(--primary-xl)}
.btn-ghost{background:transparent;color:var(--text2);border:none;padding:7px 12px}
.btn-ghost:hover{background:var(--bg);color:var(--text)}
.btn-sm{padding:7px 13px;font-size:12px;border-radius:7px}
.btn-full{width:100%}
.btn-icon{width:36px;height:36px;padding:0;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:15px}

/* ── FORM ── */
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:11px;font-weight:700;color:var(--text2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.06em}
.form-control{width:100%;padding:12px 15px;border:2px solid var(--border);border-radius:var(--r-sm);font-size:14px;color:var(--text);background:var(--surface2);outline:none;transition:var(--tr);appearance:none}
.form-control:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(21,101,192,.07)}
.form-control::placeholder{color:var(--text3)}

/* ── CARD ── */
.card{background:var(--surface);border-radius:var(--r);border:1px solid var(--border);box-shadow:var(--shadow)}
.card-hd{padding:14px 20px;border-bottom:1px solid var(--border);background:var(--surface2);display:flex;align-items:center;justify-content:space-between;border-radius:var(--r) var(--r) 0 0;font-size:14px;font-weight:700;color:var(--text)}
.card-bd{padding:20px}

/* ── CHIP ── */
.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600}
.chip-success{background:var(--success-bg);color:var(--success)}
.chip-warning{background:var(--warning-bg);color:var(--warning)}
.chip-primary{background:var(--primary-xl);color:var(--primary)}

/* ── ALERT ── */
.alert{padding:11px 14px;border-radius:var(--r-sm);font-size:13px;display:flex;align-items:flex-start;gap:9px;line-height:1.5}
.alert-info{background:var(--primary-xl);color:var(--primary-d);border:1px solid rgba(21,101,192,.14)}
.alert-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(46,125,50,.14)}
.alert-warning{background:var(--warning-bg);color:#7B4F00;border:1px solid rgba(245,127,23,.18)}
.alert-danger{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(198,40,40,.14)}

/* ── PROGRESS ── */
.progress-wrap{background:var(--bg);border-radius:99px;overflow:hidden}
.progress-bar{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .5s ease}

/* ── TABLE ── */
.table-wrap{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;font-size:12px}
.data-table th{padding:10px 14px;background:var(--primary);color:#fff;font-weight:600;text-align:left;white-space:nowrap;font-size:11px;letter-spacing:.02em}
.data-table td{padding:9px 14px;border-bottom:1px solid var(--border);color:var(--text)}
.data-table tr:last-child td{border-bottom:none}
.data-table tr:nth-child(even) td{background:var(--surface2)}
.data-table tr:hover td{background:var(--primary-xl)}

/* ── EMPTY STATE ── */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:52px 20px;text-align:center;color:var(--text2)}
.empty-icon{font-size:48px;margin-bottom:14px;opacity:.4}
.empty-state h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:7px}
.empty-state p{font-size:13px;max-width:280px;line-height:1.6}

/* ── MODAL ── */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(13,27,62,.52);backdrop-filter:blur(5px);z-index:2000;align-items:center;justify-content:center;padding:14px}
.modal-overlay.open{display:flex}
.modal{background:var(--surface);border-radius:18px;width:100%;max-width:460px;box-shadow:0 20px 70px rgba(0,0,0,.22);overflow:hidden;animation:modalIn .22s cubic-bezier(.34,1.56,.64,1)}
@keyframes modalIn{from{opacity:0;transform:scale(.91) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal-hd{padding:20px 24px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-hd h3{font-size:16px;font-weight:700}
.modal-close{width:30px;height:30px;border-radius:7px;border:none;background:var(--bg);color:var(--text2);font-size:19px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.modal-close:hover{background:var(--border)}
.modal-bd{padding:20px 24px}
.modal-ft{padding:14px 24px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end}

/* ── TOAST ── */
#toast-wrap{position:fixed;bottom:22px;right:22px;display:flex;flex-direction:column;gap:9px;z-index:9999;pointer-events:none}
.toast{background:var(--text);color:#fff;padding:12px 16px;border-radius:var(--r-sm);font-size:13px;font-weight:500;box-shadow:0 6px 28px rgba(0,0,0,.18);display:flex;align-items:center;gap:9px;max-width:330px;pointer-events:auto;animation:toastIn .28s ease}
.toast-success{background:var(--success)}.toast-error{background:var(--danger)}.toast-warning{background:var(--warning);color:var(--text)}.toast-info{background:var(--primary)}
@keyframes toastIn{from{opacity:0;transform:translateX(18px)}to{opacity:1;transform:translateX(0)}}

/* ── SPINNER ── */
.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── LOADING OVERLAY ── */
.loading-overlay{display:none;position:fixed;inset:0;background:rgba(240,244,255,.88);backdrop-filter:blur(4px);z-index:1500;align-items:center;justify-content:center;flex-direction:column;gap:14px}
.loading-overlay.show{display:flex}
.spinner-lg{width:44px;height:44px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .85s linear infinite}
#loading-msg{font-size:14px;font-weight:600;color:var(--primary)}

/* ── UTILITY ── */
.text-center{text-align:center}.text-muted{color:var(--text2)}.text-small{font-size:12px}.text-mono{font-family:'DM Mono',monospace;font-size:12px}.fw-bold{font-weight:700}
.hidden{display:none!important}
.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}
.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}
.gap-8{gap:8px}.gap-12{gap:12px}
.d-flex{display:flex}.align-center{align-items:center}.justify-between{justify-content:space-between}

@media(max-width:640px){
  .btn{padding:10px 16px;font-size:12px}
  #toast-wrap{bottom:14px;right:14px;left:14px}
  .toast{max-width:100%}
}