/* ============================================================
   ZIDOSOFT — CLIENT PORTAL
   Client-facing aesthetic. Calmer, cleaner, more spacious
   than the admin console.
   ============================================================ */

body {
  min-height: 100vh;
  background: var(--bg);
}

/* ============================================================
   AUTH GATE
   ============================================================ */

.portal-auth-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.portal-auth-gate::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  opacity: 0.6;
}

.portal-auth-gate.hidden {
  display: none;
}

.portal-auth-card {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 460px;
  padding: var(--space-8);
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.portal-auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: var(--space-7);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}

.portal-auth-brand img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  object-fit: cover;
}

.portal-auth-brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.portal-auth-brand-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
}

.portal-auth-brand-sub {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.portal-auth-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text);
  margin: 0 0 var(--space-2);
  line-height: 1.15;
}

.portal-auth-sub {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-6);
}

.portal-auth-form .form-group {
  margin-bottom: var(--space-5);
}

.portal-auth-submit {
  width: 100%;
  margin-top: var(--space-3);
}

.portal-auth-footer {
  margin-top: var(--space-7);
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
  text-align: center;
}

/* ============================================================
   APP SHELL
   ============================================================ */

.portal-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.portal-shell.hidden {
  display: none;
}

/* ============================================================
   HEADER
   ============================================================ */

.portal-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid var(--line);
}

.portal-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  padding: 0 var(--space-6);
  height: 64px;
  max-width: 1280px;
  margin: 0 auto;
}

.portal-header-left {
  flex-shrink: 0;
}

.portal-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
}

.portal-logo img {
  width: 28px;
  height: 28px;
  border-radius: 5px;
  object-fit: cover;
}

.portal-logo-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.portal-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.portal-nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 0.9375rem;
  font-weight: 450;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition:
    color 150ms var(--ease),
    background-color 150ms var(--ease);
}

.portal-nav-link:hover {
  color: var(--text);
  background: var(--bg-elev-1);
}

.portal-nav-link.active {
  color: var(--text);
  background: var(--bg-elev-2);
}

.portal-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* ============================================================
   USER MENU
   ============================================================ */

.portal-user {
  position: relative;
}

.portal-user-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px 5px 5px;
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: border-color 150ms var(--ease);
}

.portal-user-btn:hover {
  border-color: var(--line-strong);
}

.portal-user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--accent);
  color: var(--text-inverse);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
}

.portal-user-email {
  font-size: 0.8125rem;
  color: var(--text-muted);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portal-user-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 260px;
  padding: var(--space-3);
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition:
    opacity 180ms var(--ease),
    transform 180ms var(--ease-out);
  z-index: 200;
}

.portal-user-menu.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.portal-user-menu-header {
  padding: var(--space-3) var(--space-3) var(--space-2);
}

.portal-user-menu-label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.portal-user-menu-email {
  font-size: 0.8125rem;
  color: var(--text);
  word-break: break-all;
}

.portal-user-menu-divider {
  height: 1px;
  background: var(--line);
  margin: var(--space-2) 0;
}

.portal-user-menu-item {
  display: block;
  width: 100%;
  padding: 10px var(--space-3);
  background: transparent;
  border: none;
  text-align: left;
  color: var(--text-muted);
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  transition: background-color 150ms var(--ease), color 150ms var(--ease);
}

.portal-user-menu-item:hover {
  background: var(--bg-elev-2);
  color: var(--text);
}

/* ============================================================
   MOBILE
   ============================================================ */

.portal-hamburger {
  width: 32px;
  height: 32px;
  position: relative;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: none;
}

.portal-hamburger span {
  position: absolute;
  left: 6px;
  width: 20px;
  height: 1.5px;
  background: var(--text);
  border-radius: 1px;
  transition: all 300ms var(--ease);
}

.portal-hamburger span:nth-child(1) { top: 11px; }
.portal-hamburger span:nth-child(2) { top: 16px; }
.portal-hamburger span:nth-child(3) { top: 21px; }

.portal-hamburger.open span:nth-child(1) { top: 16px; transform: rotate(45deg); }
.portal-hamburger.open span:nth-child(2) { opacity: 0; }
.portal-hamburger.open span:nth-child(3) { top: 16px; transform: rotate(-45deg); }

.portal-mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 200;
  padding: 96px var(--space-6) var(--space-6);
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms var(--ease);
}

.portal-mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}

.portal-mobile-link {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  padding: var(--space-3) 0;
  color: var(--text);
  text-decoration: none;
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 400ms var(--ease-out),
    transform 400ms var(--ease-out);
}

.portal-mobile-menu.open .portal-mobile-link { opacity: 1; transform: translateY(0); }
.portal-mobile-menu.open .portal-mobile-link:nth-child(1) { transition-delay: 80ms; }
.portal-mobile-menu.open .portal-mobile-link:nth-child(2) { transition-delay: 140ms; }
.portal-mobile-menu.open .portal-mobile-link:nth-child(3) { transition-delay: 200ms; }
.portal-mobile-menu.open .portal-mobile-link:nth-child(4) { transition-delay: 260ms; }

@media (max-width: 900px) {
  .portal-nav { display: none; }
  .portal-user-email { display: none; }
  .portal-hamburger { display: block; }
}

@media (min-width: 901px) {
  .portal-mobile-menu { display: none; }
}

/* ============================================================
   MAIN
   ============================================================ */

.portal-main {
  flex: 1;
  padding: var(--space-8) var(--space-6);
}

.portal-container {
  max-width: 1120px;
  margin: 0 auto;
}

/* Page header */
.portal-page-head {
  margin-bottom: var(--space-7);
}

.portal-page-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text);
  margin: 0 0 var(--space-2);
  line-height: 1.15;
}

.portal-page-sub {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ============================================================
   CARDS
   ============================================================ */

.portal-card {
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-5);
  transition: border-color 200ms var(--ease);
}

.portal-card:hover {
  border-color: var(--line-strong);
}

.portal-card-clickable {
  cursor: pointer;
  transition:
    border-color 200ms var(--ease),
    transform 200ms var(--ease),
    box-shadow 200ms var(--ease);
}

.portal-card-clickable:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.portal-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--line);
}

.portal-card-title {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 0;
}

.portal-card-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

/* ============================================================
   PROJECT CARDS (dashboard)
   ============================================================ */

.portal-projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.portal-project-card {
  padding: var(--space-6);
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition:
    border-color 200ms var(--ease),
    transform 200ms var(--ease),
    box-shadow 200ms var(--ease);
}

.portal-project-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.portal-project-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.portal-project-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 6px;
  line-height: 1.2;
}

.portal-project-ref {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.portal-project-body {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--space-5);
}

.portal-project-stat-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.portal-project-stat-value {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text);
}

.portal-project-stat-value.accent {
  color: var(--accent);
}

.portal-project-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.portal-project-arrow {
  color: var(--accent);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: transform 250ms var(--ease-out);
}

.portal-project-card:hover .portal-project-arrow {
  transform: translateX(6px);
}

@media (max-width: 700px) {
  .portal-project-body {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* ============================================================
   PROGRESS BAR
   ============================================================ */

.portal-progress {
  display: flex;
  align-items: center;
  gap: 12px;
}

.portal-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--bg-elev-3);
  border-radius: 3px;
  overflow: hidden;
  min-width: 80px;
}

.portal-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-hover));
  transition: width 500ms var(--ease-out);
}

.portal-progress-value {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-muted);
  min-width: 40px;
  text-align: right;
}

/* ============================================================
   STATUS PILLS
   ============================================================ */

.portal-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.portal-pill.active {
  background: rgba(201, 169, 97, 0.14);
  color: var(--accent);
  border: 1px solid rgba(201, 169, 97, 0.3);
}

.portal-pill.completed {
  background: rgba(74, 222, 128, 0.12);
  color: var(--success);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.portal-pill.paused {
  background: var(--bg-elev-3);
  color: var(--text-muted);
  border: 1px solid var(--line);
}

.portal-pill.pending {
  background: rgba(96, 165, 250, 0.12);
  color: var(--info);
  border: 1px solid rgba(96, 165, 250, 0.25);
}

.portal-pill.done {
  background: rgba(74, 222, 128, 0.12);
  color: var(--success);
  border: 1px solid rgba(74, 222, 128, 0.3);
}

.portal-pill.blocked {
  background: rgba(248, 113, 113, 0.12);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

/* ============================================================
   MILESTONES (project detail)
   ============================================================ */

.portal-milestone-list {
  display: flex;
  flex-direction: column;
}

.portal-milestone {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.portal-milestone:last-child {
  border-bottom: none;
}

.portal-milestone-status {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.5px solid var(--line-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.portal-milestone.status-done .portal-milestone-status {
  background: var(--success);
  border-color: var(--success);
}

.portal-milestone.status-done .portal-milestone-status::after {
  content: "";
  width: 5px;
  height: 9px;
  border: solid var(--text-inverse);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}

.portal-milestone.status-in_progress .portal-milestone-status {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.portal-milestone.status-blocked .portal-milestone-status {
  border-color: var(--danger);
  background: rgba(248, 113, 113, 0.15);
}

.portal-milestone-body {
  min-width: 0;
}

.portal-milestone-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 4px;
}

.portal-milestone.status-done .portal-milestone-title {
  color: var(--text-muted);
  text-decoration: line-through;
  text-decoration-color: var(--text-dim);
}

.portal-milestone-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 6px;
}

.portal-milestone-meta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

@media (max-width: 640px) {
  .portal-milestone {
    grid-template-columns: 24px 1fr;
  }
  .portal-milestone > :last-child {
    grid-column: 2;
    margin-top: 6px;
  }
}

/* ============================================================
   MESSAGES
   ============================================================ */

.portal-messages {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 560px;
  overflow-y: auto;
  padding: var(--space-5) 0;
}

.portal-message {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
}

.portal-message-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.portal-message.from-staff .portal-message-avatar {
  background: var(--accent);
  color: var(--text-inverse);
}

.portal-message.from-client .portal-message-avatar {
  background: var(--info);
  color: var(--text-inverse);
}

.portal-message-body {
  padding: 12px 16px;
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  min-width: 0;
}

.portal-message.from-staff .portal-message-body {
  border-left: 3px solid var(--accent);
}

.portal-message.from-client .portal-message-body {
  border-left: 3px solid var(--info);
}

.portal-message-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 0.75rem;
}

.portal-message-author {
  font-weight: 500;
  color: var(--text);
}

.portal-message-time {
  margin-left: auto;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
}

.portal-message-text {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.portal-message-compose {
  padding-top: var(--space-5);
  border-top: 1px solid var(--line);
}

/* ============================================================
   TABS
   ============================================================ */

.portal-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-6);
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
}

.portal-tab {
  padding: 8px 18px;
  font-size: 0.875rem;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color 150ms var(--ease), color 150ms var(--ease);
  white-space: nowrap;
}

.portal-tab:hover { color: var(--text); }
.portal-tab.active {
  background: var(--bg-elev-3);
  color: var(--text);
}

/* ============================================================
   EMPTY STATES
   ============================================================ */

.portal-empty {
  padding: 64px 24px;
  text-align: center;
  color: var(--text-muted);
}

.portal-empty-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 8px;
}

/* ============================================================
   FOOTER
   ============================================================ */

.portal-footer {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--line);
  margin-top: var(--space-9);
}

.portal-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.portal-footer a {
  text-decoration: none;
  transition: color 150ms var(--ease);
}

.portal-footer a:hover {
  color: var(--text);
}

/* ============================================================
   TOASTS
   ============================================================ */

.toast-container {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: 500;
  pointer-events: none;
  max-width: 380px;
}

.toast {
  padding: var(--space-4) var(--space-5);
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: var(--text);
  font-size: 0.875rem;
  line-height: 1.5;
  pointer-events: auto;
  animation: toastIn 300ms var(--ease-out);
  max-width: 100%;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.info { border-left-color: var(--info); }

.toast-title {
  font-weight: 500;
  margin-bottom: 2px;
}

.toast-body {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   SKELETON / LOADING
   ============================================================ */

.portal-skeleton {
  padding: var(--space-6);
  background: var(--bg-elev-1);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 700px) {
  .portal-header-inner { padding: 0 var(--space-4); }
  .portal-main { padding: var(--space-6) var(--space-4); }
  .portal-card { padding: var(--space-5); }
  .portal-project-card { padding: var(--space-5); }
  .portal-project-title { font-size: 1.125rem; }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  .toast { animation: none; }
  .portal-progress-fill { transition: none; }
}