/**
 * PixMinder - Main CSS
 * Mobile-first responsive design system
 */

/* ============================================
   Typography System - Inter + Plus Jakarta Sans
   Copiado desde Qubly para mejor performance
   ============================================ */

/* Inter Variable Font - Body text & UI */
@font-face {
  font-family: 'Inter Variable';
  src: url('/static/fonts/inter-latin-variable-wght.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

/* Plus Jakarta Sans Font - Headings & Display */
@font-face {
  font-family: 'Plus Jakarta Sans Variable';
  src: url('/static/fonts/plus-jakarta-sans-latin-variable-wght.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ============================================
   CSS Variables - Theme System
   ============================================ */

:root {
  /* Background Colors */
  --theme-bg-primary: #ffffff;
  --theme-bg-secondary: #f8fafc;
  --theme-bg-elevated: #ffffff;
  --theme-bg-overlay: rgba(0, 0, 0, 0.5);
  --theme-bg-card: #ffffff;

  /* Accent Colors */
  --accent-primary: #0093f7;
  --accent-primary-hover: #0077cc;
  --accent-success: #3dad09;
  --accent-success-hover: #2d8a07;
  --accent-warning: #ffce00;
  --accent-warning-hover: #e6b800;
  --accent-danger: #d30554;
  --accent-danger-hover: #b00445;

  /* Text Colors */
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  /* Border Colors */
  --border-primary: #e2e8f0;
  --border-secondary: #cbd5e1;

  /* Typography */
  --font-primary: 'Plus Jakarta Sans Variable', 'Inter Variable', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter Variable', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans Variable', 'Inter Variable', system-ui, sans-serif;

  /* Font Sizes - Mobile First */
  --text-xs: 0.75rem;    /* 12px */
  --text-sm: 0.875rem;   /* 14px */
  --text-base: 1rem;     /* 16px */
  --text-lg: 1.125rem;   /* 18px */
  --text-xl: 1.25rem;    /* 20px */
  --text-2xl: 1.5rem;    /* 24px */
  --text-3xl: 2rem;      /* 32px */
  --text-4xl: 2.5rem;    /* 40px */

  /* Spacing */
  --spacing-xs: 0.25rem;  /* 4px */
  --spacing-sm: 0.5rem;   /* 8px */
  --spacing-md: 1rem;     /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;     /* 32px */
  --spacing-2xl: 3rem;    /* 48px */

  /* Border Radius */
  --radius-sm: 0.375rem;  /* 6px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Touch-friendly sizes */
  --touch-target-min: 48px;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --theme-bg-primary: #0f172a;
    --theme-bg-secondary: #1e293b;
    --theme-bg-elevated: #334155;
    --theme-bg-card: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-primary: #334155;
    --border-secondary: #475569;
  }

  /* Improve icon contrast in dark mode - make icons white */
  .metric-card-icon img,
  .dashboard-icon img,
  .logout-icon img {
    filter: brightness(0) invert(1);
  }

  /* Adjust icon opacity for better visibility */
  .metric-card-icon img {
    opacity: 0.9;
  }
}

/* ============================================
   Base Styles - Mobile First
   ============================================ */

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

html {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--theme-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  background-color: var(--theme-bg-primary);
  color: var(--text-primary);
}

/* ============================================
   Typography - Responsive
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

/* Display font utility class */
.font-display {
  font-family: var(--font-display);
}

/* Body font utility class */
.font-body {
  font-family: var(--font-body);
}

/* Tabular numbers for metrics and financial data */
.font-tabular {
  font-feature-settings: 'tnum' on;
  font-variant-numeric: tabular-nums;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); }
h6 { font-size: var(--text-sm); }

p {
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

/* ============================================
   Responsive Breakpoints - Mobile First
   ============================================ */

/* Mobile Small (360px+) */
@media (min-width: 360px) {
  :root {
    --text-base: 1rem;
  }
}

/* Mobile Large (481px+) */
@media (min-width: 481px) {
  :root {
    --text-base: 1rem;
  }
  
  h1 { font-size: var(--text-4xl); }
}

/* Tablet (768px+) */
@media (min-width: 768px) {
  :root {
    --spacing-md: 1.25rem;
    --spacing-lg: 2rem;
  }
}

/* Desktop (1024px+) */
@media (min-width: 1024px) {
  :root {
    --text-base: 1.125rem;
  }
}

/* Desktop Large (1280px+) */
@media (min-width: 1280px) {
  :root {
    --text-base: 1.125rem;
  }
}

/* Desktop XL (1440px+) */
@media (min-width: 1440px) {
  :root {
    --text-base: 1.125rem;
  }
}

/* ============================================
   Form Elements - Touch Friendly
   ============================================ */

input,
textarea,
select,
button {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  min-height: var(--touch-target-min);
  background: var(--theme-bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all 0.2s ease;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 147, 247, 0.1);
}

input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   Buttons - Touch Friendly
   ============================================ */

button,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  min-height: var(--touch-target-min);
  font-size: var(--text-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: var(--accent-primary);
  color: var(--text-inverse);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--theme-bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
  background: var(--theme-bg-elevated);
}

.btn-full {
  width: 100%;
}

/* ============================================
   Card Component
   ============================================ */

.card {
  background: var(--theme-bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

/* ============================================
   Login Page - Mobile First
   ============================================ */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  background: var(--theme-bg-primary);
}

.login-container {
  width: 100%;
  max-width: 420px;
  padding: var(--spacing-2xl);
  background: var(--theme-bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.login-logo {
  max-width: 120px;
  height: auto;
  margin: 0 auto var(--spacing-lg);
  display: block;
}

.login-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-sm);
}

.login-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.error-banner {
  padding: var(--spacing-md);
  background: rgba(211, 5, 84, 0.1);
  border: 1px solid rgba(211, 5, 84, 0.3);
  border-radius: var(--radius-md);
  color: var(--accent-danger);
  font-size: var(--text-sm);
}

.password-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-input {
  padding-right: 48px;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-md);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  min-height: auto;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-toggle:hover {
  color: var(--text-primary);
}

/* Tablet adjustments */
@media (min-width: 768px) {
  .login-container {
    padding: var(--spacing-2xl);
  }
  
  .login-logo {
    max-width: 150px;
  }
}

/* Desktop adjustments */
@media (min-width: 1024px) {
  .login-container {
    padding: var(--spacing-2xl);
  }
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center {
  text-align: center;
}

.text-error {
  color: var(--accent-danger);
}

.text-success {
  color: var(--accent-success);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.hidden {
  display: none;
}

/* ============================================
   Loading States
   ============================================ */

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--text-inverse);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   Dashboard Page - Mobile First
   ============================================ */

.dashboard-page {
  min-height: 100vh;
  padding: var(--spacing-xl);
  background: var(--theme-bg-primary);
}

.dashboard-header {
  margin-bottom: var(--spacing-2xl);
}

.dashboard-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  width: 100%;
}

.dashboard-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.dashboard-filters {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-width: 200px;
  flex-shrink: 0;
}

.period-filter-form {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.period-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}

.period-select {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--theme-bg-secondary);
  color: var(--text-primary);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 120px;
  flex-shrink: 0;
}

.period-select:hover {
  border-color: var(--accent-primary);
}

.period-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(var(--accent-primary-rgb), 0.2);
}

@media (max-width: 768px) {
  .dashboard-header-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .dashboard-header-actions {
    width: 100%;
    justify-content: space-between;
    flex-wrap: nowrap;
  }
  
  .dashboard-filters {
    width: 100%;
    min-width: unset;
    flex: 1;
  }
  
  /* Ensure logout button is visible and accessible on mobile */
  .logout-button {
    flex-shrink: 0;
    min-width: var(--touch-target-min);
    padding: var(--spacing-sm);
  }
}

.dashboard-title-section {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.dashboard-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.dashboard-logo:hover {
  transform: scale(1.05);
  opacity: 0.9;
}

@media (prefers-color-scheme: dark) {
  .dashboard-logo {
    filter: brightness(0) invert(1);
  }
}

.dashboard-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin: 0;
}

.dashboard-icon {
  display: inline-flex;
  align-items: center;
  color: var(--accent-primary);
}

/* Dashboard Grid - Metrics Cards */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

@media (min-width: 768px) {
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Metric Card */
.metric-card {
  background: var(--theme-bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.metric-card-primary {
  border-left: 4px solid var(--accent-primary);
}

.metric-card-success {
  border-left: 4px solid var(--accent-success);
}

.metric-card-warning {
  border-left: 4px solid var(--accent-warning);
}

.metric-card-info {
  border-left: 4px solid var(--accent-primary);
}

.metric-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.metric-card-icon {
  display: inline-flex;
  align-items: center;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.metric-card-title {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.metric-card-value {
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 768px) {
  .charts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.chart-card {
  background: var(--theme-bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
}

.chart-title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.chart-container {
  position: relative;
  width: 100%;
}

.chart-empty-message {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--text-muted);
  font-size: var(--text-sm);
  text-align: center;
  pointer-events: none;
  z-index: 1;
}

/* Logout Button */
.logout-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--theme-bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: var(--touch-target-min);
}

.logout-button:hover {
  background: var(--theme-bg-elevated);
  border-color: var(--accent-danger);
  color: var(--accent-danger);
}

.logout-icon {
  display: inline-flex;
  align-items: center;
}

.logout-text {
  display: none;
}

@media (min-width: 768px) {
  .logout-text {
    display: inline;
  }
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--theme-bg-card);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-xl);
}

.modal-title {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
}

.modal-message {
  font-size: var(--text-base);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* ============================================
   512MB Optimization Status (minimal integration)
   ============================================ */

.optimization-status {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background: var(--theme-bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
}

.optimization-status-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-md);
}

.optimization-status-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-right: var(--spacing-sm);
}

.optimization-status-item {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  font-weight: 500;
}

.optimization-status-icon {
  display: inline-flex;
  align-items: center;
  color: var(--accent-primary);
}

.optimization-status-healthy {
  color: var(--accent-success);
}

.optimization-status-warning {
  color: var(--accent-warning);
}

.optimization-status-unknown {
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .optimization-status-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .optimization-status-label {
    margin-bottom: var(--spacing-xs);
  }
}