/* ============================================================
   WaveEcho Portal — Main Stylesheet
   Theme: Dark · Accent: Red #E8001D / Orange #F56500
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500&display=swap');

/* ── Custom Properties ────────────────────────────────────── */
:root {
  --bg:             #09090B;
  --surface:        #111114;
  --surface-2:      #161618;
  --surface-3:      #1C1C1F;
  --border:         #222226;
  --border-hover:   #333338;
  --text-primary:   #F2F2F4;
  --text-secondary: #88888F;
  --text-muted:     #48484F;

  --red:            #E8001D;
  --orange:         #F56500;
  --grad:           linear-gradient(135deg, #E8001D 0%, #F56500 100%);
  --grad-subtle:    linear-gradient(135deg, rgba(232,0,29,0.12) 0%, rgba(245,101,0,0.12) 100%);
  --glow-red:       0 0 32px rgba(232,0,29,0.20);
  --glow-card:      0 0 0 1px rgba(232,0,29,0.25), 0 8px 32px rgba(0,0,0,0.5);

  --radius:         12px;
  --radius-sm:      8px;
  --radius-xs:      6px;

  --font-display:   'Space Grotesk', system-ui, sans-serif;
  --font-body:      'Inter', system-ui, sans-serif;

  --nav-height:     64px;
  --content-max:    900px;
  --card-img-w:     280px;

  --ease:           cubic-bezier(0.4, 0, 0.2, 1);
  --t-fast:         0.15s;
  --t-mid:          0.25s;
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input { font: inherit; }

/* ── Background Wave Pattern ─────────────────────────────── */
.wave-bg {
  background-color: var(--bg);
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='40' viewBox='0 0 80 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 20 Q10 10 20 20 T40 20 T60 20 T80 20' stroke='%23ffffff06' stroke-width='1' fill='none'/%3E%3C/svg%3E");
  background-size: 80px 40px;
  animation: waveDrift 30s linear infinite;
}
@keyframes waveDrift {
  from { background-position: 0 0; }
  to   { background-position: 80px 40px; }
}

/* ── Typography ──────────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; }

.display-xl {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.display-lg {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}
.display-sm {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.tagline {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.01em;
}

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Utility ──────────────────────────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); border: 0;
}
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  transition: opacity var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 2px 12px rgba(232,0,29,0.3);
}
.btn-primary:hover {
  opacity: 0.92;
  box-shadow: 0 4px 20px rgba(232,0,29,0.45);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.btn-outline-grad {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  z-index: 0;
}
.btn-outline-grad::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--grad);
  opacity: 0;
  z-index: -1;
  transition: opacity var(--t-fast) var(--ease);
}
.btn-outline-grad:hover {
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 18px rgba(232,0,29,0.3);
  transform: translateY(-1px);
}
.btn-outline-grad:hover::before { opacity: 1; }

.btn-sm {
  padding: 0.48rem 1rem;
  font-size: 0.84rem;
}

/* ── Form Elements ───────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.form-group label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--t-fast) var(--ease),
              box-shadow var(--t-fast) var(--ease);
}
.form-input::placeholder { color: var(--text-muted); }
.form-input:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(232,0,29,0.12);
}
.form-input.error { border-color: var(--red); }

.error-msg {
  font-size: 0.84rem;
  color: var(--red);
  min-height: 1.2em;
  display: none;
}
.error-msg.visible { display: block; }

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: rgba(9,9,11,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 2rem;
}
.navbar-inner {
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar-logo {
  height: 28px;
  width: auto;
}
.navbar-user {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.navbar-user-email {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--text-primary);
}
.navbar-divider {
  width: 1px;
  height: 16px;
  background: var(--border);
}
.navbar-signout {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--t-fast);
}
.navbar-signout:hover { color: var(--red); }

/* ── Login Page ──────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.login-topbar {
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
}
.login-topbar-logo { height: 24px; }

.login-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

.login-center {
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.login-logo-mark {
  width: 72px;
  height: 72px;
  margin-bottom: 1.2rem;
}

.login-studio-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.login-tagline {
  font-size: 0.92rem;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 2.5rem;
}

.login-card {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-card);
}

.login-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.login-submit {
  width: 100%;
  padding: 0.8rem;
  margin-top: 0.5rem;
  font-size: 0.95rem;
  justify-content: center;
}

.login-footer-link {
  text-align: center;
  margin-top: 1.2rem;
  font-size: 0.84rem;
  color: var(--text-muted);
}
.login-footer-link a {
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.login-footer-link a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ── Projects Page ───────────────────────────────────────── */
.projects-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.projects-main {
  flex: 1;
  max-width: var(--content-max);
  width: 100%;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

.projects-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.projects-header h1 {
  margin-bottom: 0.3rem;
}
.projects-header p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.projects-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.5rem;
}

/* ── Project Cards ───────────────────────────────────────── */
.project-list {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.project-card {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--t-mid) var(--ease),
              box-shadow var(--t-mid) var(--ease),
              transform var(--t-mid) var(--ease);
  text-decoration: none;
  color: inherit;
  position: relative;
}
.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--t-mid) var(--ease);
  pointer-events: none;
}
.project-card:hover {
  border-color: transparent;
  box-shadow: var(--glow-card);
  transform: translateY(-2px);
}
.project-card:hover::before { opacity: 1; }

.project-card-img {
  width: var(--card-img-w);
  flex-shrink: 0;
  overflow: hidden;
  background: var(--surface-3);
}
.project-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--t-mid) var(--ease);
}
.project-card:hover .project-card-img img { transform: scale(1.03); }

.project-card-body {
  padding: 1.6rem 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  gap: 0.8rem;
}

.project-card-top { display: flex; flex-direction: column; gap: 0.6rem; }

.project-card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.project-status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #3ED97A;
}
.project-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3ED97A;
  box-shadow: 0 0 6px #3ED97A;
}
.project-status.maintenance { color: #F5A623; }
.project-status.maintenance::before { background: #F5A623; box-shadow: 0 0 6px #F5A623; }
.project-status.beta { color: #7B8CDE; }
.project-status.beta::before { background: #7B8CDE; box-shadow: 0 0 6px #7B8CDE; }

.project-card-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.project-tag {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.2rem 0.55rem;
  letter-spacing: 0.02em;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.project-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.project-url {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: monospace;
}

/* Arrow icon for open button */
.btn-open-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
}
.btn-open-arrow svg {
  transition: transform var(--t-fast) var(--ease);
}
.project-card:hover .btn-open-arrow svg {
  transform: translateX(3px);
}

/* ── Quick Links Section ─────────────────────────────────── */
.quick-links-section {
  margin-bottom: 3rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.8rem;
}
.quick-link-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--t-fast), background var(--t-fast), transform var(--t-fast);
  text-decoration: none;
  color: inherit;
}
.quick-link-card:hover {
  border-color: var(--border-hover);
  background: var(--surface-2);
  transform: translateY(-1px);
}
.quick-link-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-xs);
  background: var(--surface-3);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-secondary);
}
.quick-link-text { display: flex; flex-direction: column; gap: 0.1rem; }
.quick-link-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
}
.quick-link-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 1.8rem 2rem;
  margin-top: auto;
}
.footer-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.footer-logo { height: 18px; opacity: 0.5; }
.footer-copy {
  font-size: 0.78rem;
  color: var(--text-muted);
}
.footer-social {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.social-link {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
  position: relative;
}
.social-link:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: var(--surface-2);
}
.social-link[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface-3);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.72rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--t-fast);
}
.social-link:hover[data-tooltip]::after { opacity: 1; }

/* Login page footer */
.login-page .footer { background: transparent; }
.login-page .footer-inner { justify-content: center; flex-direction: column; align-items: center; gap: 1rem; }

/* ── Page Fade-in ─────────────────────────────────────────── */
.fade-in {
  animation: fadeIn 0.45s var(--ease) both;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in-delay-1 { animation-delay: 0.08s; }
.fade-in-delay-2 { animation-delay: 0.16s; }
.fade-in-delay-3 { animation-delay: 0.24s; }
.fade-in-delay-4 { animation-delay: 0.32s; }

/* ── Loading Spinner ─────────────────────────────────────── */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: none;
}
.loading .spinner { display: inline-block; }
.loading .btn-text { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 720px) {
  .project-card { flex-direction: column; }
  .project-card-img {
    width: 100%;
    height: 180px;
  }
  .project-card-body { padding: 1.2rem 1.2rem; }
  .project-card-footer { flex-direction: column; align-items: flex-start; gap: 0.8rem; }
  .project-url { display: none; }

  .projects-main { padding: 2rem 1rem 3rem; }
  .navbar { padding: 0 1rem; }
  .navbar-user-email { display: none; }
  .footer { padding: 1.4rem 1rem; }
  .footer-inner { flex-direction: column; align-items: center; text-align: center; }

  .quick-links-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .login-card { padding: 1.5rem; }
  .login-main { padding: 2rem 1rem; }
  .login-logo-mark { width: 56px; height: 56px; }
}