/* CSS Variabler for farver */
:root {
  --bg-body: #f8f9fa;
  --bg-container: #ffffff;
  --text-primary: #212529;
  --text-secondary: #343a40;
  --border-color: #ccc;
  --input-bg: #ffffff;
  --button-bg: #007bff;
  --button-hover: #0056b3;
  --plan-bg: #eef6fc;
  --plan-text: #1b3d6d;
  --shadow: rgba(0,0,0,0.1);
}

/* Dark mode farver */
body.dark-mode {
  --bg-body: #1a1a1a;
  --bg-container: #2d2d2d;
  --text-primary: #e0e0e0;
  --text-secondary: #b0b0b0;
  --border-color: #555;
  --input-bg: #3a3a3a;
  --button-bg: #0d6efd;
  --button-hover: #0a58ca;
  --plan-bg: #1e3a5f;
  --plan-text: #a8c5e8;
  --shadow: rgba(0,0,0,0.3);
}

/* Basislayout */
body {
  font-family: system-ui, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  position: relative;
  transition: color 0.3s ease;
}

/* Light mode gradient overlay */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, rgba(120, 119, 198, 0.2) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Dark mode - tilbage til sort baggrund */
body.dark-mode {
  background: var(--bg-body) !important;
}

body.dark-mode::before {
  display: none;
}

.container {
  max-width: 700px;
  margin: 2rem auto;
  padding: 2rem;
  background: var(--bg-container);
  border-radius: 12px;
  box-shadow: 0 4px 12px var(--shadow);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

h1 {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 2rem;
}

h2 {
  margin-top: 2rem;
  font-size: 1.5rem;
}

label {
  display: inline-block;
  margin-right: 10px;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

input[type="number"],
select,
textarea {
  padding: 8px;
  margin: 0 5px 10px 0;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  background-color: var(--input-bg);
  color: var(--text-primary);
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

input[type="text"],
input[type="password"] {
  padding: 8px;
  margin: 0 5px 10px 0;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
  background-color: var(--input-bg);
  color: var(--text-primary);
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

textarea {
  width: 100%;
  height: 120px;
  resize: vertical;
}

button {
  padding: 10px 15px;
  font-size: 1rem;
  margin: 5px 0;
  cursor: pointer;
  background-color: var(--button-bg);
  color: white;
  border: none;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

button:hover {
  background-color: var(--button-hover);
}

/* Button varianter */
.btn-secondary {
  background-color: #6c757d;
}

.btn-secondary:hover {
  background-color: #5a6268;
}

.btn-danger {
  background-color: #d9534f;
}

.btn-danger:hover {
  background-color: #c9302c;
}

.btn-success {
  background-color: #28a745;
}

.btn-success:hover {
  background-color: #218838;
}

/* Tilbage til forsiden knap */
.back-to-main {
  background-color: #141414;
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background-color 0.2s ease;
  margin-bottom: 1rem;
}

.back-to-main img {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1);
}

.back-to-main:hover {
  background-color: #000000;
  color: white;
  text-decoration: none;
}

/* Section divider */
.section-divider {
  border: none;
  border-top: 2px solid var(--border-color);
  margin: 1.5rem 0;
  opacity: 0.3;
}

/* Header section */
.header-section {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding: 1rem;
  background-color: var(--bg-body);
  border-radius: 8px;
}

.user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
}

.user-actions {
  display: flex;
  gap: 0.5rem;
}

/* Project section */
.project-section {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background-color: var(--bg-body);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.project-section label {
  margin: 0;
  font-weight: 600;
}

.project-section select {
  flex: 1;
  min-width: 200px;
}

.project-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Counter section */
.counter-section {
  padding: 1.5rem;
  background-color: var(--bg-body);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.counter-section h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  text-align: center;
  font-size: 1.5rem;
}

#count {
  font-size: 4rem;
  font-weight: bold;
  text-align: center;
  margin: 1.5rem 0;
  color: var(--button-bg);
  text-shadow: 2px 2px 4px var(--shadow);
}

#roundMessage,
#decreaseMessage {
  min-height: 1.5rem;
  margin-bottom: 1rem;
  font-weight: bold;
  font-size: 1.2rem;
  color: #28a745;
  text-align: center;
}

/* Warning box */
.warning-box {
  padding: 2rem;
  background-color: #fff3cd;
  border: 2px solid #ffc107;
  border-radius: 8px;
  text-align: center;
  font-size: 1.1rem;
  font-weight: 500;
  color: #856404;
  margin-bottom: 1.5rem;
}

body.dark-mode .warning-box {
  background-color: #664d03;
  border-color: #997404;
  color: #ffecb5;
}

.button-row {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.counter-btn {
  font-size: 1.5rem;
  padding: 15px 40px;
  min-width: 120px;
  font-weight: bold;
}

.manual-section {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.manual-section input {
  max-width: 150px;
}

/* Calculation sections */
.calculation-section {
  padding: 1.5rem;
  background-color: var(--bg-body);
  border-radius: 8px;
  margin-bottom: 1rem;
}

.calculation-section h2 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.calculation-inputs {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.calculation-inputs label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.calculation-inputs input {
  max-width: 80px;
  margin: 0;
}

/* Notes section */
.notes-section {
  padding: 1.5rem;
  background-color: var(--bg-body);
  border-radius: 8px;
}

.notes-section h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.notes-section textarea {
  width: 100%;
  min-height: 150px;
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  font-family: system-ui, sans-serif;
  background-color: var(--input-bg);
  color: var(--text-primary);
  resize: vertical;
  box-sizing: border-box;
}

/* Udtagning / Indtagning resultater */
#increasePlan,
#decreasePlan {
  margin-top: 1rem;
  padding: 1.5rem;
  background-color: var(--plan-bg);
  color: var(--plan-text);
  border-radius: 8px;
  font-size: 1rem;
  text-align: center;
  box-shadow: inset 0 0 8px rgba(45, 108, 223, 0.15);
  user-select: none;
  word-wrap: break-word;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Loading overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.loading-spinner {
  background-color: var(--bg-container);
  padding: 2rem 3rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.spinner {
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--button-bg);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-spinner p {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-primary);
}

/* Dark mode toggle knap */
#darkModeToggle,
#darkModeToggleLogin,
#darkModeToggleSignup {
  padding: 8px 12px;
  border-radius: 6px;
  background-color: var(--button-bg);
  color: white;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 0.5rem;
}

#darkModeToggle:hover,
#darkModeToggleLogin:hover,
#darkModeToggleSignup:hover {
  background-color: var(--button-hover);
  transform: scale(1.05);
}

/* Status bar - beholder advarselsfarver */
#statusBar {
  transition: border-color 0.3s ease;
  font-size: 0.9rem;
}

#statusBar span {
  color: #212529;
  transition: color 0.3s ease;
}

/* Responsiv */
@media (max-width: 500px) {
  .container {
    padding: 20px 15px;
    border-radius: 0;
    box-shadow: none;
  }

  input[type="number"],
  select {
    width: 100%;
    margin-left: 0;
    max-width: 100%;
  }

  button {
    font-size: 1.1rem;
    padding: 14px 10px;
    width: 100%;
    min-width: auto;
  }

  .button-row,
  .manual-section {
    flex-direction: column;
    align-items: stretch;
  }

  .counter-btn {
    font-size: 1.3rem;
    padding: 12px 30px;
  }

  #count {
    font-size: 3rem;
  }

  /* Responsiv header */
  .header-section {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .user-info {
    align-items: stretch;
  }

  .user-actions {
    flex-direction: column;
  }

  /* Responsiv project section */
  .project-section {
    flex-direction: column;
    align-items: stretch;
  }

  .project-section select {
    min-width: 100%;
  }

  .project-actions {
    flex-direction: column;
  }

  /* Responsiv calculation sections */
  .calculation-inputs {
    flex-direction: column;
    align-items: stretch;
  }

  .calculation-inputs input {
    max-width: 100%;
  }
}