/* ===============================
   GLOBAL RESET & BASE
================================ */

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  color: #ffffff;
  overflow-x: hidden;
}

/* ===============================
   LEFT SIDEBAR
================================ */

#leftMenu {
  position: fixed;
  top: 0;
  left: 0;
  width: 260px;
  height: 100vh;
  padding: 20px;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  box-shadow: 2px 0 6px rgba(0, 0, 0, 0.35);
  overflow-y: auto;
}

#leftMenu h2 {
  color: #00e5ff;
  margin-bottom: 20px;
}

/* ===============================
   MENU BUTTONS
================================ */

.menu-button,
.menu-item-btn {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  border: 1px solid #00e5ff;
  background: #203a43;
  color: #ffffff;
  cursor: pointer;
  margin-bottom: 12px;
  font-weight: 600;
}

.menu-button {
  background: #00e5ff;
  color: #0f2027;
  border: none;
}

/* ===============================
   RIGHT CONTENT
================================ */

#rightContent {
  margin-left: 260px;
  width: calc(100% - 260px);
  min-height: 100vh;
}

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

.header {
  padding: 25px;
  text-align: center;
  font-size: 1.8rem;
  font-weight: bold;
  color: #00e5ff;
  background: rgba(32, 58, 67, 0.9);
}

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

.container {
  max-width: 1100px;
  margin: 30px auto;
  padding: 20px;
}

/* ===============================
   EMAIL STYLE FORM (GLASS)
================================ */

.form-table {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 25px;
  margin-bottom: 25px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.form-table h3 {
  color: #00e5ff;
  margin-top: 0;
}

.form-table label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
}

.form-table input,
.form-row input {
  width: 100%;
  padding: 12px;
  margin-bottom: 18px;
  border-radius: 8px;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-size: 1rem;
}

.form-table input::placeholder {
  color: #cccccc;
}

/* ===============================
   FORM ROW GRID (EMAIL)
================================ */

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  margin-bottom: 18px;
}

.form-label {
  font-weight: 600;
}

.form-input input {
  width: 100%;
}

@media (min-width: 900px) {
  .form-row {
    grid-template-columns: 320px 1fr;
    align-items: center;
  }
}

/* ===============================
   COSTING CARD (TABLE LOOK)
================================ */

.costing-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 30px;
  max-width: 900px;
  margin: 40px auto;
  box-shadow: 0 0 0 2px #eeeeee;
  color: #000000;
}

.costing-card h2 {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 1.6rem;
}

/* Header row */
.costing-header {
  display: grid;
  grid-template-columns: 2fr 1fr;
  background: #d71920;
  color: #ffffff;
  font-weight: bold;
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 10px;
}

/* Data rows */
.costing-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  padding: 14px 16px;
  border-bottom: 1px solid #eeeeee;
  align-items: center;
}

.costing-label {
  font-size: 1rem;
}

/* HARD OVERRIDE INPUTS (no glass) */
.costing-card input {
  background: #ffffff;
  color: #000000;
  border: 1px solid #777;
  border-radius: 4px;
  padding: 6px 8px;
  margin-bottom: 0;
}

/* BUTTON (ISOLATED) */
.costing-card button {
  all: unset;
  display: inline-block;
  margin-top: 25px;
  background: #d71920;
  color: #ffffff;
  padding: 12px 26px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
}

.costing-card button:hover {
  background: #b9161c;
}

/* ===============================
   MOBILE STACKING (COSTING)
================================ */

@media (max-width: 700px) {
  .costing-header {
    display: none;
  }

  .costing-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

/* ===============================
   IFRAME
================================ */

#contentFrame {
  width: 100%;
  height: 100vh;
  border: none;
}

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

.card {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 25px;
  margin-bottom: 25px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.card h2 {
  color: #00e5ff;
  margin-top: 0;
}

.card label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.card select {
  width: 100%;
  padding: 12px;
  margin-bottom: 18px;
  border-radius: 8px;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  font-size: 1rem;
}

.card select option {
  background: #203a43;
  color: #ffffff;
}

/* ===============================
   BUTTONS
================================ */

.btn,
.btn-primary {
  width: 100%;
  padding: 14px;
  border-radius: 8px;
  border: none;
  background: #00e5ff;
  color: #0f2027;
  cursor: pointer;
  margin-top: 15px;
  font-weight: 600;
  font-size: 1rem;
}

.btn:hover,
.btn-primary:hover {
  background: #00c4d9;
}

.btn-secondary {
  background: #203a43;
  color: #ffffff;
  border: 1px solid #00e5ff;
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 8px;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-secondary:hover {
  background: #2c5364;
}

.btn-danger {
  background: #d71920;
  color: #ffffff;
  border: none;
  width: 100%;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 8px;
  font-weight: 600;
  font-size: 0.95rem;
}

.btn-danger:hover {
  background: #b9161c;
}

.btn-small {
  width: auto;
  padding: 10px 20px;
  font-size: 0.9rem;
}

/* ===============================
   MESSAGE & OUTPUT
================================ */

.message {
  margin-top: 15px;
  padding: 10px;
  border-radius: 6px;
  text-align: center;
}

.note-box {
  width: 100%;
  padding: 15px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-family: monospace;
  font-size: 0.95rem;
  resize: vertical;
}

.result-panel {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 18px;
  min-height: 220px;
  margin-top: 12px;
}

.result-empty {
  color: #dfeaf1;
  opacity: 0.85;
  font-style: italic;
}

.result-block {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 14px;
}

.result-block p {
  margin: 0 0 8px 0;
  line-height: 1.5;
  color: #f4fbff;
}

.result-block p:last-child {
  margin-bottom: 0;
}

.hidden {
  display: none;
}

/* ===============================
   SUBMENU
================================ */

.submenu {
  display: none;
  padding-left: 15px;
}

.submenu-btn {
  background: rgba(32, 58, 67, 0.5);
  font-size: 0.9rem;
}

/* ===============================
   GRID LAYOUTS
================================ */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 15px;
  margin-bottom: 15px;
}

@media (min-width: 600px) {
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===============================
   ACTIONS SECTION
================================ */

.actions button {
  margin-bottom: 10px;
}

/* ===============================
   MOBILE FALLBACK (LAYOUT)
================================ */

@media (max-width: 900px) {
  #leftMenu {
    position: relative;
    width: 100%;
    height: auto;
  }

  #rightContent {
    margin-left: 0;
    width: 100%;
  }
}