/* ═══════════════════════════════════════════════════════════════════════════
   AI Studio — Clouve
   Main application stylesheet
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Reset & Design Tokens ────────────────────────────────────────────────── */

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

:root {
  /* Primary */
  --blue:        #1d4ed8;
  --blue-hover:  #2563eb;
  --blue-light:  #eff6ff;
  --blue-mid:    #dbeafe;

  /* Neutrals */
  --charcoal:    #212932;
  --slate-700:   #334155;
  --slate-600:   #475569;
  --slate-500:   #64748b;
  --slate-400:   #94a3b8;
  --slate-300:   #cbd5e1;
  --slate-200:   #e2e8f0;
  --slate-100:   #f1f5f9;
  --slate-50:    #f8fafc;
  --white:       #ffffff;

  /* Semantic */
  --green:       #10b981;
  --red:         #ef4444;
  --red-light:   #fef2f2;
  --red-border:  #fecaca;
  --amber:       #f59e0b;
  --amber-light: #fffbeb;
  --amber-mid:   #fde68a;
}

html, body {
  height: 100%;
  overflow: hidden;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--charcoal);
  background: var(--white);
}


/* ── Login View ───────────────────────────────────────────────────────────── */

#login-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background:
    radial-gradient(ellipse 900px 500px at 50% 20%, #dbeafe 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 80% 90%, #eff6ff 0%, transparent 60%),
    var(--white);
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: 20px;
  padding: 40px 36px 36px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.02);
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}

.login-logo img {
  width: 130px;
  height: auto;
}

.login-logo .badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--blue);
  background: var(--blue-light);
  border: 1px solid var(--blue-mid);
  padding: 3px 10px;
  border-radius: 100px;
}

.login-heading {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--charcoal);
  text-align: center;
  margin-bottom: 6px;
  letter-spacing: -0.02em;
}

.login-sub {
  font-size: 0.88rem;
  color: var(--slate-500);
  text-align: center;
  line-height: 1.5;
  margin-bottom: 28px;
}

/* ── Login Form ──────────────────────────────────────────────────────────── */

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  font-size: 0.92rem;
  font-family: inherit;
  color: var(--charcoal);
  background: var(--slate-50);
  border: 1.5px solid var(--slate-200);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.1);
  background: var(--white);
}

.login-btn {
  width: 100%;
  height: 46px;
  margin-top: 6px;
  font-size: 0.92rem;
  font-weight: 600;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--white);
  background: var(--blue);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.login-btn:hover  { background: var(--blue-hover); }
.login-btn:active { transform: scale(0.98); }

.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.login-link {
  margin-top: 14px;
  text-align: center;
  font-size: 0.84rem;
}

.login-link a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
}

.login-link a:hover { text-decoration: underline; }

.form-hint {
  display: block;
  margin-top: 5px;
  font-size: 0.78rem;
  color: var(--slate-400);
  line-height: 1.4;
}

.login-error,
.login-success {
  display: none;
  margin-top: 16px;
  padding: 10px 14px;
  font-size: 0.84rem;
  border-radius: 8px;
  text-align: center;
  line-height: 1.45;
}

.login-error {
  color: var(--red);
  background: var(--red-light);
  border: 1px solid var(--red-border);
}

.login-success {
  color: var(--green);
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
}

.login-error.visible,
.login-success.visible { display: block; }

.login-footer {
  margin-top: 28px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--slate-400);
}

.login-footer a {
  color: var(--blue);
  text-decoration: none;
  font-weight: 500;
}

.login-footer a:hover { text-decoration: underline; }


/* ── App View ─────────────────────────────────────────────────────────────── */

#app-view {
  display: none;
  flex-direction: column;
  height: 100vh;
}

/* ── App Header ──────────────────────────────────────────────────────────── */

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  min-height: 56px;
  padding: 0 20px;
  background: var(--white);
  border-bottom: 1px solid var(--slate-200);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-left img {
  width: 110px;
  height: auto;
}

.header-badge {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--blue);
  background: var(--blue-light);
  border: 1px solid var(--blue-mid);
  padding: 2px 8px;
  border-radius: 100px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--blue-light);
  border: 1.5px solid var(--blue-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--blue);
  text-transform: uppercase;
}

.user-name {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--slate-600);
}

.header-divider {
  width: 1px;
  height: 24px;
  background: var(--slate-200);
}

.logout-btn {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--slate-500);
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}

.logout-btn:hover {
  color: var(--red);
  background: var(--red-light);
}

/* ── Layout Switcher ──────────────────────────────────────────────────────── */

.header-center {
  display: flex;
  align-items: center;
}

.layout-switcher {
  display: flex;
  align-items: stretch;
  background: var(--slate-100);
  border: 1px solid var(--slate-200);
  border-radius: 8px;
  padding: 2px;
  gap: 2px;
}

.layout-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: "Inter", sans-serif;
  color: var(--slate-500);
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, box-shadow 0.15s;
  white-space: nowrap;
}

.layout-btn:hover {
  color: var(--slate-700);
  background: rgba(0, 0, 0, 0.03);
}

.layout-btn.active {
  color: var(--blue);
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.layout-btn svg {
  width: 18px;
  height: 14px;
  stroke-width: 1.5;
  flex-shrink: 0;
}

.layout-label {
  pointer-events: none;
}

/* ── Split Container ──────────────────────────────────────────────────────── */

.split-container {
  flex: 1;
  display: flex;
  overflow: hidden;
}

.panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
  transition: flex 0.25s ease, min-width 0.25s ease, opacity 0.25s ease;
}

/* Disable transitions while the user is actively dragging the divider */
.split-container.is-dragging .panel {
  transition: none;
}

.panel-browser { flex: 0 0 30%; min-width: 180px; }
.panel-chat    { flex: 1 1 0%; min-width: 180px; }

/* Layout modes — applied to .split-container via data-layout attribute */
.split-container[data-layout="browser"] .panel-chat,
.split-container[data-layout="chat"] .panel-browser {
  flex: 0 0 0%;
  min-width: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.split-container[data-layout="browser"] .panel-browser,
.split-container[data-layout="chat"] .panel-chat {
  flex: 1 1 0%;
  min-width: 0;
}

.split-container[data-layout="browser"] .divider,
.split-container[data-layout="chat"] .divider {
  flex: 0 0 0px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  min-height: 36px;
  padding: 0 14px;
  font-size: 0.78rem;
  font-weight: 600;
  font-family: "Inter", sans-serif;
  color: var(--slate-500);
  background: var(--slate-50);
  border-bottom: 1px solid var(--slate-200);
  user-select: none;
}

.panel-header svg {
  width: 14px;
  height: 14px;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  stroke: currentColor;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

.panel-content {
  flex: 1;
  position: relative;
  overflow: hidden;
}

/* ── Divider ─────────────────────────────────────────────────────────────── */

.divider {
  flex: 0 0 5px;
  background: var(--slate-200);
  cursor: col-resize;
  position: relative;
  z-index: 10;
  transition: background 0.15s, flex 0.2s ease, opacity 0.2s ease;
}

.divider:hover,
.divider.active {
  background: var(--blue-mid);
}

.divider-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 3px;
  height: 32px;
  border-radius: 2px;
  background: var(--slate-400);
  transition: background 0.15s, height 0.15s;
}

.divider:hover .divider-handle,
.divider.active .divider-handle {
  background: var(--blue);
  height: 48px;
}

/* ── Iframes ─────────────────────────────────────────────────────────────── */

.service-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--slate-50);
}

/* ── Loading Overlay ──────────────────────────────────────────────────────── */

.frame-loading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--slate-50);
  z-index: 5;
  transition: opacity 0.3s;
}

.frame-loading.fade-out {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--slate-200);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── Animations ───────────────────────────────────────────────────────────── */

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 480px) {
  .login-card        { padding: 32px 24px 28px; border-radius: 16px; }
  .login-logo img    { width: 110px; }
  .login-heading     { font-size: 1.2rem; }
  .user-name         { display: none; }
  .header-divider    { display: none; }
  .layout-label      { display: none; }
  .layout-btn        { padding: 4px 8px; }
}

@media (max-width: 768px) {
  .split-container {
    flex-direction: column;
  }

  .panel-browser {
    flex: 0 0 35%;
    min-width: unset;
    min-height: 120px;
  }

  .panel-chat {
    min-width: unset;
    min-height: 120px;
  }

  .divider {
    flex: 0 0 5px;
    cursor: row-resize;
  }

  .divider-handle {
    width: 32px;
    height: 3px;
  }

  .divider:hover .divider-handle,
  .divider.active .divider-handle {
    width: 48px;
    height: 3px;
  }
}