/* ─── RESET & VARIABLES ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── DARK MODE (por defecto) ── */
:root {
  --bg:        #0d1018;
  --surface:   #161b26;
  --surface2:  #1c2233;
  --surface3:  #222840;
  --border:    #252d40;
  --border2:   #2e3850;
  --accent:    #4f8ef7;
  --accent2:   #7b5ef8;
  --success:   #2dd49e;
  --danger:    #f75e5e;
  --warn:      #f7b84f;
  --text:      #e6eaf5;
  --text2:     #8590a8;
  --text3:     #424e66;
  --radius:    12px;
  --radius-sm: 7px;
  --topbar-h:  58px;
  --font:      'DM Sans', sans-serif;
  --font-head: 'Syne', sans-serif;
  /* Extras para theming */
  --topbar-bg:           rgba(22,27,38,.95);
  --td-name-hover:       #191f2e;
  --row-hover:           rgba(255,255,255,.022);
  --login-grad1:         rgba(79,142,247,.18);
  --login-grad2:         rgba(123,94,248,.13);
  --autocomplete-shadow: rgba(0,0,0,.45);
  --card-shadow:         rgba(0,0,0,.55);
  --modal-overlay:       rgba(0,0,0,.65);
  --modal-shadow:        rgba(0,0,0,.6);
}

/* ── LIGHT MODE ── */
[data-theme="light"] {
  --bg:        #f0f2f8;
  --surface:   #ffffff;
  --surface2:  #f3f5fc;
  --surface3:  #eaecf8;
  --border:    #dde1ee;
  --border2:   #c8cedf;
  --success:   #1a9e6e;
  --danger:    #d43f3f;
  --warn:      #c4870c;
  --text:      #1a1f30;
  --text2:     #5a6480;
  --text3:     #9aa0b8;
  /* Extras */
  --topbar-bg:           rgba(255,255,255,.95);
  --td-name-hover:       #eef1ff;
  --row-hover:           rgba(0,0,0,.028);
  --login-grad1:         rgba(79,142,247,.12);
  --login-grad2:         rgba(123,94,248,.08);
  --autocomplete-shadow: rgba(0,0,0,.12);
  --card-shadow:         rgba(0,0,0,.14);
  --modal-overlay:       rgba(0,0,0,.4);
  --modal-shadow:        rgba(0,0,0,.18);
}

html, body { height: 100%; font-family: var(--font); background: var(--bg); color: var(--text); font-size: 14px; transition: background .2s, color .2s; }
.hidden { display: none !important; }

/* ─── LOGIN ─────────────────────────────────────────────── */
.login-screen {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse 70% 55% at 50% -5%, var(--login-grad1) 0%, transparent 68%),
    radial-gradient(ellipse 55% 45% at 88% 92%, var(--login-grad2) 0%, transparent 55%),
    var(--bg);
}
.login-card {
  width: 100%; max-width: 410px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; padding: 44px 38px;
  box-shadow: 0 8px 40px var(--card-shadow);
  animation: fadeUp .45s ease;
}
.login-header { text-align: center; margin-bottom: 32px; }
.login-logo {
  display: inline-flex; align-items: center; justify-content: center;
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 13px; font-family: var(--font-head); font-size: 1.5rem; color: #fff;
  margin-bottom: 16px; box-shadow: 0 6px 20px rgba(79,142,247,.35);
}
.login-title { font-family: var(--font-head); font-size: 1.6rem; margin-bottom: 5px; }
.login-sub { color: var(--text2); font-size: .84rem; }
.field-group { margin-bottom: 15px; }
.field-group label { display: block; font-size: .75rem; font-weight: 500; color: var(--text2); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .07em; }
.field-group input, .entry-field input[type="text"], .entry-field input[type="number"], .entry-field input[type="date"] {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text); font-family: var(--font); font-size: .9rem;
  padding: 10px 13px; outline: none; transition: border-color .2s, box-shadow .2s;
}
.field-group input:focus, .entry-field input:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,142,247,.13);
}
.login-error {
  background: rgba(247,94,94,.1); border: 1px solid rgba(247,94,94,.3);
  color: var(--danger); padding: 9px 13px; border-radius: var(--radius-sm);
  font-size: .83rem; margin-bottom: 13px;
}
.btn-login {
  width: 100%; padding: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none; border-radius: var(--radius-sm); color: #fff;
  font-family: var(--font-head); font-size: .95rem; font-weight: 700;
  cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px;
  transition: opacity .2s, transform .15s; box-shadow: 0 4px 14px rgba(79,142,247,.32);
}
.btn-login:hover { opacity: .88; transform: translateY(-1px); }

/* ─── APP LAYOUT ─────────────────────────────────────────── */
.app-screen { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }

/* TOPBAR */
.topbar {
  flex-shrink: 0; height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 22px;
  background: var(--topbar-bg); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); z-index: 100;
}
.topbar-left { display: flex; align-items: center; gap: 11px; }
.topbar-logo {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-head); font-size: 1rem; color: #fff;
  box-shadow: 0 2px 8px rgba(79,142,247,.3);
}
.topbar-title { font-family: var(--font-head); font-size: .95rem; font-weight: 700; }
.topbar-year { font-family: var(--font); font-weight: 400; color: var(--text2); font-size: .82rem; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.user-badge { font-size: .75rem; color: var(--text2); background: var(--surface2); border: 1px solid var(--border); padding: 3px 9px; border-radius: 99px; }
.btn-logout { padding: 5px 12px; background: transparent; border: 1px solid var(--border2); border-radius: var(--radius-sm); color: var(--text2); font-family: var(--font); font-size: .78rem; cursor: pointer; transition: all .2s; }
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* Theme toggle button */
.btn-theme {
  background: transparent; border: 1px solid var(--border2);
  border-radius: var(--radius-sm); color: var(--text2);
  cursor: pointer; padding: 5px 8px;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.btn-theme:hover { border-color: var(--accent); color: var(--accent); }

/* MAIN LAYOUT: table left (sticky) + right panel (scroll) */
.layout {
  flex: 1; display: flex; overflow: hidden; gap: 0;
}

/* ─── TABLE PANEL (LEFT, STICKY) ─────────────────────────── */
.table-panel {
  flex: 1 1 0;
  min-width: 0;
  display: flex; flex-direction: column;
  border-right: 1px solid var(--border);
  overflow: hidden;
}
.panel-header {
  flex-shrink: 0;
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 18px 20px 14px; border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.section-title { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.section-desc { font-size: .76rem; color: var(--text2); }

.btn-primary {
  flex-shrink: 0;
  display: flex; align-items: center; gap: 6px; padding: 7px 14px;
  background: var(--accent); border: none; border-radius: var(--radius-sm); color: #fff;
  font-family: var(--font); font-size: .82rem; font-weight: 500; cursor: pointer;
  transition: background .2s, transform .15s; box-shadow: 0 2px 8px rgba(79,142,247,.28);
  white-space: nowrap;
}
.btn-primary:hover { background: #3a7ee6; transform: translateY(-1px); }

/* TABLE */
.table-wrapper { flex: 1; overflow: auto; }

table { width: 100%; border-collapse: collapse; font-size: .84rem; background: var(--surface); }
thead { position: sticky; top: 0; z-index: 20; }
thead tr { background: var(--surface2); }
th {
  padding: 10px 13px; text-align: left; font-weight: 600; font-size: .72rem;
  color: var(--text2); text-transform: uppercase; letter-spacing: .07em;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
th.th-name { min-width: 170px; position: sticky; left: 0; z-index: 21; background: var(--surface2); border-right: 1px solid var(--border); }
th.th-total { color: var(--success); min-width: 90px; text-align: right; }
th.th-actions { width: 40px; }
th.th-month { min-width: 105px; text-align: right; }

tbody tr { border-bottom: 1px solid var(--border); transition: background .15s; }
tbody tr:hover { background: var(--row-hover); }
tbody tr:last-child { border-bottom: none; }

td { padding: 9px 13px; color: var(--text); white-space: nowrap; vertical-align: middle; }
td.td-name {
  font-weight: 500; position: sticky; left: 0;
  background: var(--surface); z-index: 5; border-right: 1px solid var(--border);
  transition: background .15s; min-width: 170px;
}
tbody tr:hover td.td-name { background: var(--td-name-hover); }

td.td-amount {
  text-align: right; cursor: pointer; transition: background .15s;
  border-radius: 5px; min-width: 105px;
}
td.td-amount:hover { background: rgba(79,142,247,.08); }
td.td-amount.has-value { color: var(--success); font-weight: 500; }
td.td-amount.editing { background: rgba(79,142,247,.1); padding: 4px 7px; }
td.td-amount.flash { animation: flash .5s ease; }

td.td-total { text-align: right; font-weight: 600; color: var(--warn); }
td.td-actions { text-align: center; width: 40px; }

.cell-input {
  width: 100%; background: transparent; border: none; outline: none;
  color: var(--accent); font-family: var(--font); font-size: .84rem;
  font-weight: 500; text-align: right; padding: 0;
}
.name-input {
  width: 100%; background: transparent; border: none; outline: none;
  color: var(--text); font-family: var(--font); font-size: .84rem;
  font-weight: 500; padding: 0; border-bottom: 1px solid var(--accent);
}

tfoot tr { background: var(--surface2); border-top: 2px solid var(--border2); }
tfoot td { padding: 9px 13px; font-weight: 600; font-size: .78rem; color: var(--text2); text-align: right; white-space: nowrap; }
.tf-label { text-align: left; font-weight: 700; color: var(--text); position: sticky; left: 0; background: var(--surface2); z-index: 5; border-right: 1px solid var(--border); }
.tf-grand { color: var(--warn); font-size: .86rem; }
.tf-col { color: var(--accent); }

.btn-del { background: transparent; border: none; color: var(--text3); cursor: pointer; padding: 3px 6px; border-radius: 4px; display: inline-flex; align-items: center; justify-content: center; transition: color .15s, background .15s; }
.btn-del:hover { color: var(--danger); background: rgba(247,94,94,.1); }

.empty-row td { text-align: center; color: var(--text3); padding: 28px; font-size: .84rem; }

/* ─── RIGHT PANEL ────────────────────────────────────────── */
.right-panel {
  width: 420px; flex-shrink: 0;
  display: flex; flex-direction: column; gap: 16px;
  overflow-y: auto; padding: 18px 16px;
  background: var(--bg);
}

/* ─── ENTRY CARD ─────────────────────────────────────────── */
.section-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.entry-card { padding: 18px; }
.entry-title {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-head); font-size: .92rem; font-weight: 700;
  color: var(--text); margin-bottom: 16px;
}
.entry-title svg { color: var(--accent); flex-shrink: 0; }

.entry-form { display: flex; flex-direction: column; gap: 12px; }
.entry-field label { display: block; font-size: .72rem; font-weight: 500; color: var(--text2); margin-bottom: 5px; text-transform: uppercase; letter-spacing: .07em; }
.entry-field input { width: 100%; }
/* color-scheme for date picker */
.entry-field input[type="date"] { color-scheme: dark; }
[data-theme="light"] .entry-field input[type="date"] { color-scheme: light; }

.autocomplete-wrap { position: relative; }
.autocomplete-list {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 200;
  background: var(--surface3); border: 1px solid var(--border2); border-radius: var(--radius-sm);
  list-style: none; overflow: hidden; box-shadow: 0 8px 24px var(--autocomplete-shadow);
  max-height: 180px; overflow-y: auto;
}
.autocomplete-list li {
  padding: 9px 13px; cursor: pointer; font-size: .88rem; color: var(--text);
  transition: background .12s;
}
.autocomplete-list li:hover, .autocomplete-list li.active { background: rgba(79,142,247,.14); color: var(--accent); }
.autocomplete-list li.new-person { color: var(--success); font-style: italic; }

.entry-preview {
  margin-top: 10px; padding: 10px 13px;
  background: rgba(79,142,247,.07); border: 1px solid rgba(79,142,247,.2);
  border-radius: var(--radius-sm); font-size: .82rem; color: var(--text2);
  line-height: 1.6;
}
.entry-preview strong { color: var(--accent); }
.entry-preview .preview-sum { color: var(--warn); }

.entry-error {
  margin-top: 8px; padding: 8px 12px;
  background: rgba(247,94,94,.09); border: 1px solid rgba(247,94,94,.28);
  border-radius: var(--radius-sm); font-size: .82rem; color: var(--danger);
}

.entry-field--wide { grid-column: 1 / -1; }

.btn-entry {
  margin-top: 6px; width: 100%; padding: 11px;
  background: linear-gradient(135deg, #1a7c52, var(--success));
  border: none; border-radius: var(--radius-sm); color: #fff;
  font-family: var(--font); font-size: .88rem; font-weight: 600;
  cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 7px;
  transition: opacity .2s, transform .15s; box-shadow: 0 3px 12px rgba(45,212,158,.25);
}
.btn-entry:hover { opacity: .88; transform: translateY(-1px); }
.btn-entry:disabled { opacity: .4; cursor: not-allowed; transform: none; }

/* ─── HISTORIAL ──────────────────────────────────────────── */
.section-header { display: flex; align-items: flex-start; justify-content: space-between; padding: 16px 18px 12px; border-bottom: 1px solid var(--border); }
.detail-count { font-size: .76rem; color: var(--text2); background: var(--surface2); border: 1px solid var(--border); padding: 3px 10px; border-radius: 99px; align-self: center; }

.detail-cols {
  display: grid; grid-template-columns: 90px 1fr 70px 72px 28px;
  gap: 6px; padding: 7px 18px;
  font-size: .69rem; font-weight: 600; color: var(--text3);
  text-transform: uppercase; letter-spacing: .07em;
  border-bottom: 1px solid var(--border); background: var(--surface2);
}

.detail-list { display: flex; flex-direction: column; max-height: 360px; overflow-y: auto; }

.detail-item {
  display: grid; grid-template-columns: 90px 1fr 70px 72px 28px;
  gap: 6px; align-items: center;
  padding: 10px 18px; border-bottom: 1px solid var(--border);
  transition: background .12s; animation: fadeIn .28s ease;
}
.detail-item:last-child { border-bottom: none; }
.detail-item:hover { background: var(--row-hover); }

.di-date { font-size: .74rem; color: var(--text2); }
.di-name { font-size: .84rem; font-weight: 500; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.di-mes { font-size: .69rem; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--accent); background: rgba(79,142,247,.1); padding: 2px 6px; border-radius: 4px; display: inline-block; width: fit-content; }
.di-monto { text-align: right; font-weight: 600; font-size: .85rem; color: var(--success); }
.di-del { display: flex; justify-content: center; }

.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 11px; padding: 44px 24px; color: var(--text3); font-size: .83rem; text-align: center; }
.empty-state svg { opacity: .3; }

/* ─── TOAST ──────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 22px; right: 22px; z-index: 9999;
  padding: 12px 18px; border-radius: var(--radius-sm); font-size: .84rem; font-weight: 500;
  color: #fff; box-shadow: 0 4px 20px rgba(0,0,0,.45);
  animation: slideUp .28s ease; max-width: 300px;
}
.toast.success { background: linear-gradient(135deg, #1b9e6e, #2dd49e); }
.toast.error   { background: linear-gradient(135deg, #b03b3b, #f75e5e); }
.toast.info    { background: linear-gradient(135deg, #2a5dba, #4f8ef7); }

/* ─── SPINNER ────────────────────────────────────────────── */
.spinner { width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; }

/* ─── SCROLLBAR ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* ─── ANIMATIONS ─────────────────────────────────────────── */
@keyframes fadeUp  { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes spin    { to { transform: rotate(360deg); } }
@keyframes flash   { 0%,100% { background: transparent; } 40% { background: rgba(45,212,158,.22); } }

/* ─── PDF BUTTON ─────────────────────────────────────────── */
.header-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.btn-pdf {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 13px;
  background: rgba(247,94,94,.12);
  border: 1px solid rgba(247,94,94,.35);
  border-radius: var(--radius-sm);
  color: #f47; font-family: var(--font); font-size: .78rem; font-weight: 600;
  cursor: pointer; transition: all .2s; white-space: nowrap;
}
.btn-pdf:hover { background: rgba(247,94,94,.22); border-color: rgba(247,94,94,.6); }

/* ─── MODAL ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--modal-overlay); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  animation: fadeIn .2s ease;
}
.modal-card {
  background: var(--surface); border: 1px solid var(--border2);
  border-radius: 16px; width: 100%; max-width: 480px;
  box-shadow: 0 20px 60px var(--modal-shadow);
  display: flex; flex-direction: column; overflow: hidden;
  animation: fadeUp .25s ease;
}
.modal-header {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 20px 20px 16px; border-bottom: 1px solid var(--border);
}
.modal-icon {
  width: 38px; height: 38px; flex-shrink: 0;
  background: rgba(247,94,94,.12); border: 1px solid rgba(247,94,94,.3);
  border-radius: 9px; display: flex; align-items: center; justify-content: center;
  color: #f47;
}
.modal-title { font-family: var(--font-head); font-size: .95rem; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.modal-sub   { font-size: .76rem; color: var(--text2); }
.modal-close {
  margin-left: auto; flex-shrink: 0;
  background: transparent; border: none; color: var(--text3);
  cursor: pointer; padding: 4px; border-radius: 5px; transition: color .15s;
}
.modal-close:hover { color: var(--text); }

.modal-body { padding: 16px 20px; max-height: 300px; overflow-y: auto; }
.modal-actions-top { display: flex; gap: 14px; margin-bottom: 12px; }
.btn-link { background: none; border: none; color: var(--accent); font-family: var(--font); font-size: .78rem; cursor: pointer; padding: 0; text-decoration: underline; text-underline-offset: 2px; }
.btn-link:hover { opacity: .75; }

.persona-check-list { display: flex; flex-direction: column; gap: 4px; }
.persona-check-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer; transition: all .15s;
}
.persona-check-item:hover { background: rgba(79,142,247,.07); border-color: var(--border); }
.persona-check-item input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; flex-shrink: 0; }
.persona-check-item label { font-size: .88rem; color: var(--text); cursor: pointer; flex: 1; }
.persona-check-item .pci-count { font-size: .72rem; color: var(--text3); background: var(--surface2); padding: 2px 7px; border-radius: 99px; }
.persona-check-item.checked { background: rgba(79,142,247,.06); border-color: rgba(79,142,247,.2); }

.modal-footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 14px; }
.pdf-options { display: flex; flex-direction: column; gap: 8px; }
.opt-label { display: flex; align-items: center; gap: 8px; font-size: .82rem; color: var(--text2); cursor: pointer; }
.opt-label input[type="checkbox"] { width: 14px; height: 14px; accent-color: var(--accent); }
.modal-btns { display: flex; gap: 10px; justify-content: flex-end; }
.btn-outline {
  padding: 8px 18px; background: transparent; border: 1px solid var(--border2);
  border-radius: var(--radius-sm); color: var(--text2); font-family: var(--font);
  font-size: .84rem; cursor: pointer; transition: all .2s;
}
.btn-outline:hover { border-color: var(--text2); color: var(--text); }
.btn-generate {
  display: flex; align-items: center; gap: 7px;
  padding: 8px 18px;
  background: linear-gradient(135deg, #c0392b, #f75e5e);
  border: none; border-radius: var(--radius-sm); color: #fff;
  font-family: var(--font); font-size: .84rem; font-weight: 600;
  cursor: pointer; transition: opacity .2s, transform .15s;
  box-shadow: 0 3px 10px rgba(247,94,94,.3);
}
.btn-generate:hover { opacity: .88; transform: translateY(-1px); }
.btn-generate:disabled { opacity: .4; cursor: not-allowed; transform: none; }

@media (max-width: 900px) {
  .modal-card { max-width: 100%; }
  .header-actions { gap: 7px; }
}