/* ========== GLOBAL STYLES ========== */
:root {
  --primary: #0078d7;
  --primary-dark: #005bb5;
  --secondary: #f3f4f6;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg: #f9fafb;
  --card-bg: #ffffff;
  --success: #10b981;
  --danger: #ef4444;
  --radius: 10px;
  --shadow: 0 4px 12px rgba(0,0,0,0.08);
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Sora";
  background-color: var(--bg);
  color: var(--text-dark);
  overflow-x: hidden;
}

/* ========== NAVBAR ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
  color: white;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}


.nav-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 90%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: white;
}

.logo-mark {
  font-size: 1.25rem;
}

.logo-text {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.4px;
}

.nav-links {
  display: flex;
  gap: 18px;
  margin-left: 8px;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  color: rgba(255,255,255,0.95);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.15s ease;
}

.nav-links a:hover {
  background: rgba(255,255,255,0.06);
  transform: translateY(-2px);
}

.auth-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.welcome-text {
  color: rgba(255,255,255,0.95);
  font-weight: 600;
  margin-right: 6px;
  white-space: nowrap;
}

.btn {
  display: inline-block;
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 1px solid rgba(255,255,255,0.15);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.06);
}

.btn-primary {
  background: white;
  color: var(--primary-dark);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  margin-left: 6px;
}

/* ========== CONTAINER / LAYOUT ========== */
.container, .content {
  width: 90%;
  max-width: 1000px;
  margin: 60px auto;
  text-align: center;
  transition: var(--transition);
}

h1, h2, h3 {
  color: var(--text-dark);
  margin-bottom: 10px;
}

/* ========== CARDS ========== */
.card {
  background: var(--card-bg);
  padding: 25px;
  margin-top: 25px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: left;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 18px rgba(0,0,0,0.12);
}

/* ========== INPUTS & BUTTONS ========== */
input, select {
  width: calc(50% - 20px);
  padding: 10px 12px;
  margin: 8px;
  border: 1px solid #d1d5db;
  border-radius: var(--radius);
  outline: none;
  transition: var(--transition);
}

input:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(0, 120, 215, 0.1);
}

button {
  background: var(--primary);
  color: white;
  border: none;
  /* border-radius: var(--radius); */
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  font-family: poppins, "Segoe UI", sans-serif;
  cursor: pointer;
  transition: var(--transition);
}

button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

/* ========== FILE ITEM STYLING ========== */
.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--secondary);
  padding: 14px 18px;
  margin: 10px 0;
  border-radius: var(--radius);
  transition: var(--transition);
}

.file-item:hover {
  background: #e5e7eb;
  transform: scale(1.01);
}

.file-item strong {
  font-size: 1rem;
  color: var(--text-dark);
}

.file-item small {
  color: var(--text-light);
  font-size: 0.85rem;
  margin-left: 10px;
}

.file-actions {
  display: flex;
  gap: 8px;
}

.file-item button {
  background-color: var(--primary);
  color: #fff;
  padding: 6px 12px;
  font-family: poppins, "Segoe UI", sans-serif;
  /* border-radius: var(--radius); */
  font-size: 0.8rem;
  border: none;
  transition: var(--transition);
}

.file-item button:hover {
  background-color: var(--primary-dark);
}

/* ========== STORAGE BAR ========== */
.storage-container {
  margin: 20px 0;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.storage-bar {
  background: #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
  height: 10px;
  margin-top: 8px;
}

#storageBar {
  background: var(--success);
  height: 100%;
  width: 0%;
  transition: width 0.6s ease;
}

/* ========== LOGIN PAGE ========== */
.form-box {
  background: var(--card-bg);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

.form-box h2 {
  color: var(--text-dark);
  margin-bottom: 20px;
}

.form-box input {
  width: 80%;
}

.form-box a {
  color: var(--primary);
  text-decoration: none;
}

.form-box a:hover {
  text-decoration: underline;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.card, .form-box, .file-item {
  animation: fadeIn 0.5s ease forwards;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {

  .nav-inner {
    width: 92%;
    padding: 10px 0;
  }
  .nav-links {
    display: none;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: absolute;
    left: 0;
    right: 0;
    top: 64px;
    background: linear-gradient(90deg, rgba(0,120,215,0.95), rgba(0,96,170,0.95));
    padding: 12px 16px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    z-index: 150;
    justify-content: center;
  }
  input, select {
    width: 90%;
  }
  .file-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .file-actions {
    margin-top: 10px;
  }
  .nav-toggle {
    display: block;
  }
  .auth-actions {
    gap: 8px;
  }
}

/* ========== GRADIENT BUTTON ========== */
@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.btn-gradient-home {
  background: linear-gradient(270deg, #b0d1f3, #ffffff, #b0d1f3);
  background-size: 200% 200%;
  color: rgba(0,120,215);
  padding: 8px 16px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  animation: gradientFlow 6s ease infinite;
}

.btn-gradient-home:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px #76afe6;
}

.btn-home{
background: white;
background-size: 200% 200%;
color: rgba(0,120,215);
text-decoration: none;
font-weight: 500;
padding: 8px 16px;
border-radius: var(--radius);
}
/* ======== AUTH PAGE STYLES ======== */
.auth-page {
  display: flex;
  justify-content: center;
  align-items: flex-start; /* place card below navbar */
  min-height: calc(100vh - 64px); /* account for navbar height */
  padding-top: 56px; /* breathing room under the navbar */
  background: linear-gradient(135deg, #0078d7, #003f88);
  color: #fff;
}

.auth-card {
  background: #ffffff;
  color: #111827;
  padding: 36px 40px;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  text-align: center;
  width: 100%;
  max-width: 420px;
  animation: fadeIn 0.6s ease;
  margin-top: 60px; /* small top margin for spacing */
}

/* Centering wrapper used on the login page to position the card vertically below the navbar */
.auth-center {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 96px); /* leave room for navbar + breathing space */
  padding: 8px 16px 32px;
}

.auth-card h1 {
  font-size: 2rem;
  color: #0078d7;
  margin-bottom: 0.5rem;
}
.muted{
    font-weight: 500;
    color: #b34d4d;
}
.auth-card h2 {
  margin-bottom: 1.5rem;
  font-weight: 500;
  color: #111;
}

.auth-card input {
  width: 100%;
  padding: 12px 15px;
  margin: 8px 0;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.auth-card input:focus {
  border-color: #0078d7;
  box-shadow: 0 0 0 2px rgba(0,120,215,0.2);
  outline: none;
}

.auth-card button {
  width: 100%;
  background-color: #0078d7;
  color: white;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  margin-top: 10px;
  transition: all 0.3s ease;
}

.auth-card button:hover {
  background-color: #005bb5;
  transform: translateY(-2px);
}

.auth-card p {
  margin-top: 15px;
  font-size: 0.9rem;
  color: #444;
}

.auth-card a {
  color: #0078d7;
  font-weight: 500;
  text-decoration: none;
}

.auth-card a:hover {
  text-decoration: underline;
}

/* subtle fade animation */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* mobile responsive */
@media (max-width: 500px) {
  .auth-card {
    margin: 20px;
    padding: 30px;
  }
}

/* ========== DOCS PAGE ENHANCEMENTS ========== */
.hero {
  background: linear-gradient(120deg, #0078d7, #005bb5);
  color: white;
  text-align: center;
  padding: 120px 20px 80px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.hero-content h1 {
  font-size: 2.4rem;
  margin-bottom: 12px;
  letter-spacing: 0.6px;
}

.hero-content p {
  font-size: 1.1rem;
  opacity: 0.9;
  margin-bottom: 24px;
}

.docs {
  width: 90%;
  max-width: 900px;
  margin: 40px auto 100px;
}

.docs h2 {
  color: var(--primary-dark);
  margin-bottom: 10px;
}

.docs ul {
  line-height: 1.8;
  margin-left: 20px;
}

pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 18px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 0.95rem;
}

code {
  /* background: rgb(153, 154, 155, 0.1); */
  padding: 3px 6px;
  border-radius: 5px;
  font-family: monospace;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 10px;
}

.stack-item {
  background: var(--secondary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.95rem;
  transition: 0.3s ease;
}

.stack-item:hover {
  background: #e5e7eb;
  transform: translateY(-3px);
}

/* ========== FOOTER ========== */
footer {
  background: #111827;
  color: #e5e7eb;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}

/* ========== ACTIVE NAV LINK ========== */
.nav-links a.active {
  background: rgba(255,255,255,0.15);
  border-radius: 8px;
}

/* ========== SMOOTH SCROLL + ANIMATIONS ========== */
html {
  scroll-behavior: smooth;
}

.fade-in {
  animation: fadeIn 0.8s ease both;
}