/* --- 1. GLOBAL BASE STYLES --- */
:root {
  --color-tobacco-dark: #3e312f;
  --color-milk-light: #f9fafb;
  --color-teal-accent: #06b6d4;
  --color-text-dark: #1f2937;
  --color-text-light: #e5e7eb;
  --color-orange-brand: #f59e0b;
  --color-orange-dark: #d97706;
  --color-light-bg: #fef3c7;
  --color-login-background: #fffbf5;
}

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

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  background: linear-gradient(to bottom right, #1f2937, #111827);
}

/* --- 2. SCREEN MANAGEMENT --- */
.app-screen {
  min-height: 100vh;
  width: 100%;
}

/* --- 3. LOGIN PAGE STYLES --- */
.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(to bottom right, #1f2937, #111827);
  height: 100vh;
  padding: 20px;
}

.login-card {
  background-color: #1f2937;
  border: 2px solid #374151;
  border-radius: 12px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
  padding: 20px 35px;
  max-width: 480px;
  width: 100%;
  text-align: center;
}

.login-card_brand {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-orange-brand);
  margin-bottom: 5px;
}

.login-card_title {
  font-size: 1.5rem;
  color: white;
  margin-bottom: 5px;
  font-weight: 600;
}

.login-card_subtitle {
  color: #6b7280;
  margin-bottom: 30px;
}

.form-group {
  text-align: left;
  margin-bottom: 20px;
}

.form-group_label {
  display: block;
  font-weight: 600;
  margin-bottom: 3px;
  color: var(--color-text-dark);
}

.form-group_input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #9ca3af;
  border-radius: 9px;
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

.form-group_input:focus {
  outline: none;
  border-color: #d1d5db;
}

.form-group_hint {
  font-size: 0.8rem;
  color: #9ca3af;
  margin-top: 5px;
}

.login-form_button {
  width: 100%;
  padding: 10px;
  background: linear-gradient(
    180deg,
    var(--color-orange-brand),
    var(--color-orange-dark)
  );
  color: white;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: background 0.2s, box-shadow 0.2s;
  margin-top: 10px;
}

.login-form_button:hover {
  background: linear-gradient(
    180deg,
    var(--color-orange-dark),
    var(--color-orange-brand)
  );
  box-shadow: 0 4px 10px rgba(245, 158, 11, 0.4);
}

.login-card_footer {
  margin-top: 25px;
}

.footer_link {
  color: var(--color-orange-brand);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer_link:hover {
  text-decoration: underline;
}

/* --- 4. DASHBOARD STYLES --- */

.dashboard-header {
  background-color: var(--color-tobacco-dark);
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dashboard-header_content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.dashboard-header_brand {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-teal-accent);
}

.dashboard-header_logout-button {
  background-color: transparent;
  border: 1px solid var(--color-teal-accent);
  color: var(--color-teal-accent);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color 0.2s, color 0.2s;
}

.dashboard-header_logout-button:hover {
  background-color: var(--color-teal-accent);
  color: var(--color-tobacco-dark);
}

.dashboard-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  background-color: var(--color-milk-light);
}

.dashboard-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-tobacco-dark);
  margin-bottom: 20px;
}

/* Tab Navigation */
.dashboard-tabs {
  margin-bottom: 30px;
}

.tabs-list {
  display: flex;
  list-style: none;
  padding: 0;
  border-bottom: 2px solid #e5e7eb;
}

.tabs-list_item {
  margin-right: 10px;
}

.tab-button {
  background: none;
  border: none;
  padding: 10px 15px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  color: #6b7280;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-bottom-color 0.2s;
}

.tab-button:hover {
  color: var(--color-tobacco-dark);
}

.tab-button--active {
  color: var(--color-teal-accent);
  border-bottom-color: var(--color-teal-accent);
  font-weight: 600;
}

.tab-button_count {
  color: inherit;
  font-weight: 400;
  margin-left: 5px;
}

/* Dynamic Content Area */
.dashboard-content-area {
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  padding: 25px;
}

.content-view {
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
}

.content-view--active {
  display: block;
  opacity: 1;
}

.content-view_title {
  font-size: 1.5rem;
  color: var(--color-tobacco-dark);
  margin-bottom: 20px;
  border-bottom: 1px solid #f3f4f6;
  padding-bottom: 15px;
}

.content-view_empty-state {
  text-align: center;
  padding: 50px 20px;
  color: #9ca3af;
  font-style: italic;
  font-size: 1.1rem;
}
.tab-button:focus,
.dashboard-header_logout-button:focus,
.login-form_button:focus {
  outline: 2px solid var(--color-teal-accent);
  outline-offset: 2px;
}

body.light-mode {
  background-color: #fffdf1;
  color: #101828;
}

body.light-mode .login-card {
  background-color: #ffffff;
  color: #101828;
  border: 1px solid #ddd;
}
body.light-mode .app-screen {
  background-color: #fff;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
body.light-mode .login-card_brand,
body.light-mode .login-card_title,
body.light-mode .login-card_subtitle,
body.light-mode .form-group_label,
body.light-mode .form-group_hint {
  color: #555;
}

body.light-mode .login-form_button {
  color: black;
}

body.light-mode .footer_link {
  color: var(--color-orange-brand);
}

/* RESPONSIVENESS */
@media (max-width: 767px) {
  .login-card {
    padding: 15px 20px;
  }

  .dashboard-header_content {
    flex-direction: column;
    align-items: flex-start;
  }

  .tabs-list {
    flex-direction: column;
  }

  .tab-button {
    width: 100%;
    text-align: left;
  }
}