/* ============================================
   EPA Arquitectura — Portal Cliente
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,700&display=swap');

:root {
  --slate:    #2C3E50;
  --off-white:#F5F5F0;
  --red:      #C0392B;
  --white:    #FFFFFF;
  --gray-100: #ECECEC;
  --gray-200: #D9D9D9;
  --gray-400: #999999;
  --gray-600: #555555;
  --green:    #27ae60;
  --amber:    #f39c12;
  --blue:     #2980b9;

  --font-serif: 'Playfair Display', serif;
  --font-sans:  'Inter', system-ui, sans-serif;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--off-white);
  color: var(--slate);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- Portal Header ---- */
.portal-header {
  background: var(--slate);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
}
.portal-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--off-white);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.portal-logo span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(245,245,240,0.4);
  display: block;
  font-family: var(--font-sans);
  font-weight: 400;
  margin-top: 0.1rem;
}
.portal-user-info {
  display: flex; align-items: center; gap: 1rem;
}
.portal-user-name {
  font-size: 0.82rem;
  color: rgba(245,245,240,0.7);
}
.portal-user-name strong {
  color: var(--off-white);
  display: block;
  font-size: 0.88rem;
}
.btn-logout {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(245,245,240,0.4);
  padding: 0.4rem 0.8rem;
  border: 1px solid rgba(245,245,240,0.1);
  border-radius: 2px;
  transition: border-color 0.3s, color 0.3s;
}
.btn-logout:hover { border-color: rgba(245,245,240,0.3); color: rgba(245,245,240,0.8); }

/* ---- Login Screen ---- */
#loginScreen {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--slate);
  padding: 2rem;
}
.login-card {
  background: var(--off-white);
  border-radius: 4px;
  padding: 3rem;
  width: 100%; max-width: 420px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.3);
}
.login-logo {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--slate);
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.login-subtitle {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--gray-100);
}
.login-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--slate);
  margin-bottom: 0.4rem;
}
.login-desc {
  font-size: 0.82rem;
  color: var(--gray-400);
  margin-bottom: 2rem;
  line-height: 1.6;
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.4rem;
  font-weight: 500;
}
.form-group input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--gray-200);
  border-radius: 2px;
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--slate);
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}
.form-group input:focus {
  border-color: var(--slate);
  box-shadow: 0 0 0 3px rgba(44,62,80,0.06);
}
.btn-login {
  width: 100%;
  padding: 0.9rem;
  background: var(--slate);
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background 0.3s;
  margin-top: 0.5rem;
}
.btn-login:hover { background: var(--red); }
.login-error {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: #fdecea;
  color: #c62828;
  border: 1px solid #ef9a9a;
  border-radius: 2px;
  font-size: 0.82rem;
  display: none;
}
.login-back {
  display: block;
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.78rem;
  color: var(--gray-400);
  transition: color 0.3s;
}
.login-back:hover { color: var(--slate); }

/* ---- Dashboard Layout ---- */
#dashboardScreen { display: none; }
.dashboard-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
}

.project-header {
  background: var(--white);
  border-radius: 4px;
  padding: 2rem 2.5rem;
  margin-bottom: 2rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  box-shadow: 0 1px 3px rgba(44,62,80,0.06);
}
.project-info {}
.project-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.4rem;
}
.project-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--slate);
  margin-bottom: 0.25rem;
}
.project-meta {
  font-size: 0.8rem;
  color: var(--gray-400);
  display: flex; gap: 1.5rem; flex-wrap: wrap;
}
.project-meta span { display: flex; align-items: center; gap: 0.3rem; }
.project-progress-wrap {
  text-align: right;
}
.project-progress-label {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.5rem;
}
.project-progress-bar-wrap {
  width: 200px;
  height: 4px;
  background: var(--gray-100);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.3rem;
}
.project-progress-bar {
  height: 100%;
  background: var(--green);
  border-radius: 4px;
  transition: width 1s var(--ease-out);
}
.project-progress-pct {
  font-size: 0.75rem;
  color: var(--green);
  font-weight: 600;
}

/* ---- Timeline ---- */
.timeline-title {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.timeline-title::after {
  content: '';
  flex: 1; height: 1px;
  background: var(--gray-100);
}

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 1.5rem;
  top: 2.5rem;
  bottom: 0;
  width: 2px;
  background: var(--gray-100);
  z-index: 0;
}

.timeline-item {
  display: flex;
  gap: 1.5rem;
  position: relative;
  z-index: 1;
  margin-bottom: 0;
}

.timeline-dot-wrap {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 3rem;
}
.timeline-dot {
  width: 3rem; height: 3rem;
  border-radius: 50%;
  border: 2px solid var(--gray-200);
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  transition: border-color 0.4s, background 0.4s, box-shadow 0.4s;
}

/* Estados de etapa */
.timeline-item.done .timeline-dot {
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 0 0 5px rgba(39,174,96,0.12);
}
.timeline-item.current .timeline-dot {
  background: var(--slate);
  border-color: var(--slate);
  box-shadow: 0 0 0 5px rgba(44,62,80,0.12);
  animation: pulseStep 2s ease-in-out infinite;
}
.timeline-item.pending .timeline-dot {
  background: var(--white);
  border-color: var(--gray-200);
}
@keyframes pulseStep {
  0%,100% { box-shadow: 0 0 0 5px rgba(44,62,80,0.12); }
  50%      { box-shadow: 0 0 0 10px rgba(44,62,80,0.05); }
}

.timeline-line {
  width: 2px;
  flex: 1;
  min-height: 1.5rem;
  background: var(--gray-100);
  margin: 0 auto;
  transition: background 0.4s;
}
.timeline-item.done + .timeline-item .timeline-line,
.timeline-item.done .timeline-line { background: var(--green); }

.timeline-body {
  flex: 1;
  background: var(--white);
  border-radius: 4px;
  border: 1px solid var(--gray-100);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: border-color 0.4s, box-shadow 0.4s;
}
.timeline-item.current .timeline-body {
  border-color: var(--slate);
  box-shadow: 0 4px 20px rgba(44,62,80,0.08);
}
.timeline-item.done .timeline-body { border-color: rgba(39,174,96,0.2); }

.timeline-body-header {
  padding: 1.25rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  cursor: pointer;
  user-select: none;
  gap: 1rem;
}
.timeline-body-header:hover { background: var(--off-white); }

.stage-info { flex: 1; min-width: 0; }
.stage-num {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.2rem;
}
.stage-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--slate);
}
.stage-desc {
  font-size: 0.8rem;
  color: var(--gray-400);
  margin-top: 0.2rem;
  font-weight: 300;
}

.stage-badges { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }

.badge {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
  white-space: nowrap;
}
.badge-done    { background: rgba(39,174,96,0.1);  color: var(--green); }
.badge-current { background: rgba(44,62,80,0.1);   color: var(--slate); }
.badge-pending { background: var(--gray-100);       color: var(--gray-400); }

.badge-here {
  background: var(--red);
  color: var(--white);
  animation: badgePulse 1.5s ease-in-out infinite;
}
@keyframes badgePulse { 0%,100%{opacity:1} 50%{opacity:0.7} }

.stage-toggle {
  font-size: 0.8rem;
  color: var(--gray-400);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.stage-toggle.open { transform: rotate(180deg); }

/* Stage body (collapsible) */
.stage-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out);
  border-top: 1px solid var(--gray-100);
}
.stage-content.open { max-height: 600px; }
.stage-content-inner { padding: 1.5rem; }

.stage-docs-title {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1rem;
}
.stage-doc-list { display: flex; flex-direction: column; gap: 0.6rem; }
.stage-doc-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.7rem 1rem;
  background: var(--off-white);
  border-radius: 2px;
  border: 1px solid var(--gray-100);
  gap: 1rem;
  flex-wrap: wrap;
}
.stage-doc-name {
  font-size: 0.85rem;
  color: var(--slate);
  display: flex; align-items: center; gap: 0.5rem;
  flex: 1; min-width: 0;
}
.stage-doc-name .doc-icon { flex-shrink: 0; }
.doc-filename {
  font-size: 0.7rem;
  color: var(--gray-400);
  display: block;
}
.btn-download {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--slate);
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--gray-200);
  border-radius: 2px;
  transition: background 0.3s, border-color 0.3s, color 0.3s;
  white-space: nowrap;
  text-decoration: none;
}
.btn-download:hover {
  background: var(--slate);
  border-color: var(--slate);
  color: var(--white);
}

.stage-no-docs {
  font-size: 0.82rem;
  color: var(--gray-400);
  font-style: italic;
  text-align: center;
  padding: 1rem 0;
}

.stage-notes {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--gray-100);
  font-size: 0.82rem;
  color: var(--gray-600);
  line-height: 1.7;
  font-weight: 300;
}
.stage-notes strong { color: var(--slate); font-weight: 500; }

/* ---- Contact card ---- */
.contact-card {
  background: var(--slate);
  border-radius: 4px;
  padding: 2rem;
  margin-top: 2rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
}
.contact-card-text {}
.contact-card-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--off-white);
  margin-bottom: 0.25rem;
}
.contact-card-sub {
  font-size: 0.82rem;
  color: rgba(245,245,240,0.5);
}
.btn-whatsapp {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  background: var(--red);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 2px;
  transition: background 0.3s;
  white-space: nowrap;
}
.btn-whatsapp:hover { background: #a93226; }

/* ---- Responsive ---- */
@media (max-width: 700px) {
  .portal-header { padding: 1rem; }
  .dashboard-wrap { padding: 1.5rem 1rem; }
  .project-header { padding: 1.5rem; }
  .project-progress-wrap { width: 100%; text-align: left; }
  .project-progress-bar-wrap { width: 100%; }
  .timeline::before { left: 1.25rem; }
  .timeline-dot { width: 2.5rem; height: 2.5rem; font-size: 0.9rem; }
  .timeline-dot-wrap { width: 2.5rem; }
  .timeline-body-header { padding: 1rem; }
  .login-card { padding: 2rem 1.5rem; }
}