/* ============================================================
   ToolKit — stylesheet (simple black & white theme)
   ============================================================ */

:root{
  --black: #111111;
  --white: #ffffff;
  --gray-bg: #f2f2f2;
  --gray-bg-2: #ececec;
  --text-muted: #555555;
  --border: #dddddd;
  --danger: #d64545;
  --success: #2e9e6c;
  --accent: #2b6fef;
  --radius: 8px;
  --font-display: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--white);
  color: var(--black);
  font-family: var(--font-body);
  line-height: 1.6;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 0.4em;
}

p{ color: var(--text-muted); margin: 0 0 1em; }
a{ color: inherit; text-decoration: none; }
.hidden{ display:none !important; }

:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ============ buttons ============ */
.btn{
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.7em 1.4em;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: opacity .15s ease, transform .1s ease;
}
.btn:active{ transform: translateY(1px); }
.btn-block{ width:100%; }
.btn-lg{ padding: 0.85em 1.8em; font-size: 1rem; margin-top: 6px; }

.btn-black{ background: var(--black); color: var(--white); }
.btn-black:hover{ opacity:0.85; }

.btn-white{ background: var(--white); color: var(--black); }
.btn-white:hover{ opacity:0.85; }

.btn-outline-white{ background: transparent; color: var(--white); border-color: rgba(255,255,255,0.5); }
.btn-outline-white:hover{ border-color: var(--white); }

.btn-outline-black{ background: transparent; color: var(--black); border-color: var(--border); }
.btn-outline-black:hover{ border-color: var(--black); }

/* ============ navbar ============ */
.navbar{
  background: var(--black);
  position: sticky; top:0; z-index: 200;
}
.nav-inner{
  max-width: 1200px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding: 16px 24px;
  gap: 20px;
}
.brand{ font-family: var(--font-display); font-weight:700; font-size:1.3rem; color: var(--white); }

.nav-links{ display:flex; gap: 26px; }
.nav-links a{ color: var(--white); font-size: 0.94rem; font-weight:500; opacity:0.9; }
.nav-links a:hover{ opacity:1; }

.nav-actions{ display:flex; align-items:center; gap: 12px; }
.auth-buttons{ display:flex; gap:10px; }

.user-box{ display:flex; align-items:center; gap:12px; }
.user-tag{ font-size:0.85rem; color: var(--white); }
.plan-badge{
  font-size: 0.7rem; font-weight:700; text-transform:uppercase; letter-spacing:0.04em;
  background: var(--white); color: var(--black);
  padding: 4px 9px; border-radius: 20px;
}
.plan-badge.pro{ background: var(--success); color: var(--white); }
.plan-badge.expired{ background: var(--danger); color: var(--white); }

.nav-burger{
  display:none;
  flex-direction:column; justify-content:center; gap:4px;
  width: 36px; height: 36px;
  background: transparent; border: 1px solid rgba(255,255,255,0.4); border-radius:6px;
  cursor:pointer;
}
.nav-burger span{ width: 16px; height:2px; background: var(--white); margin:0 auto; }

/* ============ hero ============ */
.hero{
  background: var(--black);
  color: var(--white);
  text-align:center;
  padding: 90px 24px 80px;
}
.hero h1{ color: var(--white); font-size: clamp(1.9rem, 4vw, 2.6rem); margin-bottom: 0.3em; }
.hero p{ color: rgba(255,255,255,0.75); font-size: 1.02rem; max-width: 560px; margin: 0 auto 1.6em; }
.hero-note{ font-size: 0.82rem; color: rgba(255,255,255,0.55); margin-top: 1.4em; margin-bottom:0; }

/* ============ tools ============ */
.tools{ padding: 70px 24px; max-width: 1200px; margin: 0 auto; text-align:center; }
.tools h2{ font-size: clamp(1.5rem, 3vw, 1.9rem); margin-bottom: 40px; }

.tool-grid{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.tool-card{
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  position: relative;
  text-align:center;
  transition: box-shadow .2s ease, transform .2s ease;
}
.tool-card:hover{ box-shadow: 0 10px 24px rgba(0,0,0,0.08); transform: translateY(-3px); }
.tool-card h3{ font-size: 1.05rem; margin-bottom: 0.3em; }
.tool-card p{ font-size: 0.88rem; margin-bottom: 1.4em; }

.lock-badge{
  position:absolute; top: 14px; right: 16px;
  font-size: 0.9rem; opacity: 0.55;
}
.lock-badge.unlocked{ display:none; }

/* ============ about ============ */
.about{ background: var(--gray-bg); padding: 70px 24px; text-align:center; }
.about h2{ font-size: clamp(1.5rem, 3vw, 1.9rem); }
.about p{ max-width: 640px; margin: 0 auto; }

/* ============ footer ============ */
.footer{
  background: var(--black);
  color: rgba(255,255,255,0.85);
  text-align:center;
  padding: 22px 24px;
  font-size: 0.85rem;
  display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:14px;
}
.footer .btn{ padding: 0.45em 1.1em; font-size: 0.8rem; }

/* ============ modal ============ */
.modal-overlay{
  position: fixed; inset:0;
  background: rgba(0,0,0,0.6);
  display:flex; align-items:center; justify-content:center;
  padding: 24px;
  opacity:0; pointer-events:none;
  transition: opacity .2s ease;
  z-index: 500;
}
.modal-overlay.active{ opacity:1; pointer-events:auto; }

.modal{
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 30px;
  width: 100%; max-width: 460px;
  max-height: 88vh; overflow-y:auto;
  position:relative;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
  transform: translateY(10px) scale(0.98);
  transition: transform .2s ease;
}
.modal-overlay.active .modal{ transform: translateY(0) scale(1); }
.modal.small{ max-width: 420px; }
.tool-modal.small{ max-width: 440px; }

.modal-close{
  position:absolute; top: 16px; right: 16px;
  width: 30px; height:30px;
  border-radius: 6px;
  background: var(--gray-bg);
  border: 1px solid var(--border);
  color: var(--black);
  cursor:pointer;
}
.modal-close:hover{ background: var(--gray-bg-2); }

.modal h3{ font-size: 1.2rem; margin-bottom: 0.8em; }

/* auth modal */
.auth-tabs{ display:flex; gap:6px; background: var(--gray-bg); border-radius: 8px; padding: 4px; margin-bottom: 18px; }
.auth-tab{
  flex:1; padding: 9px; border:none; border-radius:6px;
  background: transparent; color: var(--text-muted); font-weight:600; font-size:0.86rem; cursor:pointer;
}
.auth-tab.active{ background: var(--black); color: var(--white); }
.auth-intro{ font-size: 0.85rem; margin-bottom: 14px; }
.auth-intro:empty{ display:none; }

.auth-form{ display:none; }
.auth-form.active{ display:block; }

label{ display:block; font-size:0.82rem; color: var(--text-muted); margin-bottom: 14px; font-weight:500; }
input[type="text"], input[type="email"], input[type="password"], input[type="datetime-local"], textarea{
  width:100%; margin-top:6px;
  padding: 10px 12px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--black);
  font-family: var(--font-body);
  font-size: 0.92rem;
  resize: vertical;
}
input:focus, textarea:focus{ outline:none; border-color: var(--black); }

.form-error{ color: var(--danger); font-size: 0.78rem; min-height: 1em; margin: -6px 0 12px; }

/* dashboard modal */
.dashboard-modal{ text-align:left; }
.dash-section{ margin-bottom: 22px; }
.dash-section:last-child{ margin-bottom: 0; }
.dash-section h4{ font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }
.dash-sub-row{ display:flex; align-items:center; gap: 10px; margin-bottom: 6px; }
.dash-sub-row span:not(.plan-badge){ font-size: 0.9rem; color: var(--black); }
.dash-stats{ display:grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }
.dash-stat{ background: var(--gray-bg); border:1px solid var(--border); border-radius:8px; text-align:center; padding: 14px 4px; }
.dash-stat span{ display:block; font-size:1.5rem; font-weight:700; }
.dash-stat small{ font-size: 0.68rem; color: var(--text-muted); letter-spacing:0.05em; }
.dash-tool-list{ list-style:none; padding:0; margin:0; }
.dash-tool-list li{ display:flex; justify-content:space-between; font-size: 0.86rem; padding: 9px 0; border-bottom: 1px solid var(--border); color: var(--text-muted); }
.dash-tool-list li:last-child{ border-bottom: none; }
.dash-tool-list li span:last-child{ color: var(--black); font-weight:600; }

/* CV builder */
.cv-layout{ display:grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.cv-form label{ margin-bottom: 12px; }
.cv-preview{
  background: #fafafa; border: 1px solid var(--border);
  border-radius: 8px; padding: 22px; font-size: 0.82rem;
  max-height: 560px; overflow-y:auto;
}
.cv-doc h2{ margin-bottom:.15em; }
.cv-contact{ color:#666; font-size: 0.78rem; margin-bottom: 1.2em; }
.cv-section{ margin-bottom: 1.1em; }
.cv-section h4{ font-size: 0.72rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--accent); margin-bottom:.3em; }
.cv-section p{ color:#333; white-space: pre-line; margin:0; }

/* QR */
.qr-output-wrap{ display:flex; justify-content:center; margin: 20px 0; min-height: 170px; align-items:center; }
.qr-canvas{ background:#fff; padding: 12px; border-radius: 8px; border: 1px solid var(--border); }
.qr-canvas img, .qr-canvas canvas{ display:block; }

/* password */
.range-label{ font-size:0.8rem; }
.pw-options{ display:grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; margin: 6px 0 18px; }
.checkbox{ display:flex; align-items:center; gap:8px; font-size:0.85rem; color: var(--black); margin:0; font-weight:400; }
.checkbox input{ width:16px; height:16px; }
.output-box{
  background: var(--gray-bg); border: 1px solid var(--border); border-radius: 6px;
  padding: 14px 16px; font-size: 1rem; word-break: break-all; margin-bottom: 12px; min-height: 1.4em;
}
.pw-strength{ height:5px; background: var(--border); border-radius: 4px; overflow:hidden; margin-bottom:6px; }
.pw-strength span{ display:block; height:100%; width:0%; background: var(--danger); transition: width .2s ease, background .2s ease; }
.hint{ font-size: 0.75rem; color: var(--text-muted); margin: 0 0 14px; }
.row-buttons{ display:flex; gap: 10px; }
.row-buttons .btn-outline-black{ flex-shrink:0; }

/* countdown */
.countdown-readout{ display:grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 22px 0 10px; }
.countdown-readout div{ background: var(--gray-bg); border:1px solid var(--border); border-radius:8px; text-align:center; padding: 14px 4px; }
.countdown-readout span{ display:block; font-size:1.5rem; font-weight:700; }
.countdown-readout small{ font-size: 0.68rem; color: var(--text-muted); letter-spacing:0.05em; }

/* toast */
.toast{
  position: fixed; bottom: 26px; left:50%; transform: translateX(-50%) translateY(20px);
  background: var(--black); color: var(--white); padding: 12px 20px; border-radius: 8px;
  font-size: 0.85rem; z-index: 900;
  opacity:0; pointer-events:none;
  transition: opacity .25s ease, transform .25s ease;
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(0); }

/* ============ responsive ============ */
@media (max-width: 980px){
  .tool-grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 720px){
  .nav-links{
    position:absolute; top: 100%; left:0; right:0;
    flex-direction:column; background: var(--black);
    padding: 10px 24px 18px; gap: 4px;
    display:none;
  }
  .nav-links.open{ display:flex; }
  .nav-links a{ padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
  .nav-burger{ display:flex; }
  .auth-buttons .btn-outline-white{ display:none; }
  .cv-layout{ grid-template-columns: 1fr; }
}

@media (max-width: 560px){
  .tool-grid{ grid-template-columns: 1fr; }
  .pw-options{ grid-template-columns: 1fr; }
}