/* ===== BASE STYLES ===== */
:root {
  --dark-bg: #1a1a1a;
  --darker-bg: #0d0d0d;
  --light-text: #f0f0f0;
  --medium-gray: #333333;
  --light-gray: #e0e0e0;
  --accent: #4d4d4d;
  --error-red: #ff3333;
  --success-green: #33cc33;
  --frame-color: rgba(0, 0, 0, 0.08);
  --hover-glow: rgba(26, 26, 26, 0.15);
  --tile-height: 280px;
  --primary-blue: #626cd6;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto Mono', monospace;
  font-weight: 400;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--light-gray);
  color: var(--dark-bg);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ===== LAYOUT ===== */
.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 2rem;
  flex: 1;
}

/* ===== AUTH STYLES ===== */
.auth-hero {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 70vh;
}

.card {
  background: white;
  border-radius: 28px;
  padding: 3rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--light-gray);
  width: 100%;
  max-width: 480px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.form-group {
  position: relative;
}

.auth-form input {
  width: 100%;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  border: 2px solid var(--light-gray);
  font-size: 1rem;
  background-color: white;
}

.auth-form input:focus {
  outline: none;
  border-color: var(--dark-bg);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

input[type="email"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23333333' viewBox='0 0 16 16'%3E%3Cpath d='M.05 3.555A2 2 0 0 1 2 2h12a2 2 0 0 1 1.95 1.555L8 8.414.05 3.555ZM0 4.697v7.104l5.803-3.558L0 4.697ZM6.761 8.83l-6.57 4.027A2 2 0 0 0 2 14h12a2 2 0 0 0 1.808-1.144l-6.57-4.027L8 9.586l-1.239-.757Zm3.436-.586L16 11.801V4.697l-5.803 3.546Z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.5rem center;
  background-size: 16px;
}

input[type="password"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23333333' viewBox='0 0 16 16'%3E%3Cpath d='M8 1a2 2 0 0 1 2 2v4H6V3a2 2 0 0 1 2-2zm3 6V3a3 3 0 0 0-6 0v4a2 2 0 0 0-2 2v5a2 2 0 0 0 2 2h6a2 2 0 0 0 2-2V9a2 2 0 0 0-2-2z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.5rem center;
  background-size: 16px;
}

.btn.full-width {
  width: 100%;
  margin-top: 0.5rem;
}

/* Google Auth Button */
.google-auth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 1rem;
  border-radius: 50px;
  border: 2px solid var(--light-gray);
  background: white;
  color: var(--dark-bg);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
}

.google-auth:hover {
  background-color: #f8f8f8;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.google-icon {
  width: 20px;
  height: 20px;
}

/* Auth Messages */
#authMessage {
  display: none;
  margin-bottom: 1.5rem;
}

.message {
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
}

.message.error {
  background-color: rgba(255, 51, 51, 0.1);
  color: var(--error-red);
}

.message.success {
  background-color: rgba(51, 204, 51, 0.1);
  color: var(--success-green);
}

/* Auth Separator */
.auth-separator {
  display: flex;
  align-items: center;
  margin: 1.5rem 0;
  color: var(--medium-gray);
  font-size: 0.9rem;
}

.auth-separator::before,
.auth-separator::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--light-gray);
}

.auth-separator::before {
  margin-right: 1rem;
}

.auth-separator::after {
  margin-left: 1rem;
}

/* Auth Footer */
.auth-footer {
  text-align: center;
  margin-top: 2rem;
  color: var(--medium-gray);
}

.auth-footer a {
  color: var(--dark-bg);
  font-weight: 500;
  text-decoration: underline;
}

/* ===== DASHBOARD GRID ===== */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin: 3rem 0;
}

.dashboard-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: white;
  border-radius: 24px;
  padding: 2.5rem;
  text-decoration: none;
  color: var(--dark-bg);
  overflow: hidden;
  height: var(--tile-height);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--light-gray);
}

.tile-frame {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border: 3px solid var(--frame-color);
  border-radius: 22px;
  z-index: -1;
}

.dashboard-tile:hover {
  box-shadow: 0 18px 36px -8px var(--hover-glow);
  border-color: var(--dark-bg);
}

.dashboard-tile:hover .tile-frame {
  border-color: var(--dark-bg);
}

.tile-content {
  padding: 1rem 0;
}

.tile-content h3 {
  font-size: 1.6rem;
  margin-bottom: 1.5rem;
  color: var(--dark-bg);
  font-weight: 600;
  letter-spacing: -0.5px;
}

.tile-content p {
  color: var(--medium-gray);
  line-height: 1.7;
  font-size: 1rem;
  font-weight: 300;
}

/* ===== NAVIGATION ===== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 3rem;
  background-color: var(--darker-bg);
  color: var(--light-text);
  border-bottom: 1px solid var(--accent);
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -1.5px;
}

.nav-buttons {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-size: 1rem;
  cursor: pointer;
  text-align: center;
  border: 2px solid transparent;
  font-weight: 500;
}

.btn.primary {
  background-color: var(--dark-bg);
  color: var(--light-text);
}

.btn.secondary {
  background-color: transparent;
  color: var(--light-text);
  border-color: var(--light-text);
}

.btn:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ===== HERO CARD ===== */
.hero-card {
  background: white;
  border-radius: 28px;
  padding: 4rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--light-gray);
  text-align: center;
  max-width: 900px;
}

/* ===== UTILITY CLASSES ===== */
.hidden {
  display: none;
}