/* ============================================
   QUIPD — Warm Minimal Design System
   Calm · Editorial · Distraction-free
   ============================================ */

/* --- Design Tokens --- */
:root {
  /* Warm palette */
  --color-bg:             #F5F1E8;
  --color-bg-subtle:      #EDE8DC;
  --color-surface:        #FAF8F3;
  --color-surface-hover:  #F2EEE4;
  --color-border:         #E2DACA;
  --color-border-focus:   #C4A97D;
  --color-divider:        #E8E2D4;

  /* Text hierarchy */
  --color-text:           #2C2A25;
  --color-text-secondary: #6B665C;
  --color-text-tertiary:  #9A9488;
  --color-text-placeholder: #B5AFA4;

  /* Accents — terracotta / warm brown */
  --color-accent:         #B8754A;
  --color-accent-hover:   #A3673F;
  --color-accent-subtle:  rgba(184, 117, 74, 0.08);
  --color-accent-light:   #D4A574;

  /* Glass */
  --glass-bg:             rgba(250, 248, 243, 0.65);
  --glass-border:         rgba(226, 218, 202, 0.5);
  --glass-blur:           12px;

  /* Feedback */
  --color-danger:         #C0564B;
  --color-danger-subtle:  rgba(192, 86, 75, 0.06);
  --color-danger-hover:   #A84940;
  --color-success:        #6B8F5E;

  /* Tags */
  --color-tag-bg:         rgba(184, 117, 74, 0.07);
  --color-tag-text:       #9A7352;
  --color-tag-border:     rgba(184, 117, 74, 0.15);

  /* Typography */
  --font-heading: 'Playfair Display', 'Merriweather', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-journal: 'Merriweather', Georgia, serif;

  /* Spacing */
  --space-2xs: 0.125rem;
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 2.5rem;
  --space-3xl: 3.5rem;

  /* Radii */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;
  --radius-pill: 100px;

  /* Shadows */
  --shadow-xs:  0 1px 2px rgba(44, 42, 37, 0.04);
  --shadow-sm:  0 1px 4px rgba(44, 42, 37, 0.06);
  --shadow-md:  0 2px 10px rgba(44, 42, 37, 0.07);

  /* Transitions */
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast:   150ms;
  --duration-normal: 200ms;
  --duration-slow:   300ms;

  /* Layout */
  --content-max-width: 860px;
}

/* --- Dark mode tokens --- */
[data-theme="dark"] {
  --color-bg:             #1C1B18;
  --color-bg-subtle:      #242320;
  --color-surface:        #2A2926;
  --color-surface-hover:  #33322E;
  --color-border:         #3D3B36;
  --color-border-focus:   #A68756;
  --color-divider:        #35332E;

  --color-text:           #E8E4DA;
  --color-text-secondary: #A8A296;
  --color-text-tertiary:  #7A756A;
  --color-text-placeholder: #5E5A50;

  --color-accent:         #C88B5E;
  --color-accent-hover:   #D9A070;
  --color-accent-subtle:  rgba(200, 139, 94, 0.1);
  --color-accent-light:   #8B6A42;

  --glass-bg:             rgba(42, 41, 38, 0.7);
  --glass-border:         rgba(61, 59, 54, 0.5);

  --color-danger:         #D46B60;
  --color-danger-subtle:  rgba(212, 107, 96, 0.08);
  --color-danger-hover:   #BF5A4F;
  --color-success:        #7FA86E;

  --color-tag-bg:         rgba(200, 139, 94, 0.1);
  --color-tag-text:       #C4996C;
  --color-tag-border:     rgba(200, 139, 94, 0.18);

  --shadow-xs:  0 1px 2px rgba(0, 0, 0, 0.15);
  --shadow-sm:  0 1px 4px rgba(0, 0, 0, 0.2);
  --shadow-md:  0 2px 10px rgba(0, 0, 0, 0.25);
}


/* ==========================================
   RESET & BASE
   ========================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  position: relative;
  transition:
    background-color 0.4s var(--ease-default),
    color 0.4s var(--ease-default);
}

/* Subtle noise texture — barely visible parchment warmth */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

::selection {
  background: rgba(184, 117, 74, 0.15);
  color: var(--color-text);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-text-tertiary); }


/* ==========================================
   BACKGROUND ANIMATION
   ========================================== */

.bg-animation {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-blob {
  position: absolute;
  color: var(--color-accent-light);
  opacity: 0.045;
  will-change: transform;
}

.bg-blob--1 {
  width: 650px;
  height: 650px;
  top: -15%;
  right: -12%;
  animation: blobDrift1 18s ease-in-out infinite;
}

.bg-blob--2 {
  width: 500px;
  height: 500px;
  bottom: -10%;
  left: -8%;
  animation: blobDrift2 22s ease-in-out infinite;
}

.bg-blob--3 {
  width: 400px;
  height: 400px;
  top: 40%;
  left: 50%;
  animation: blobDrift3 15s ease-in-out infinite;
}

@keyframes blobDrift1 {
  0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
  33%      { transform: translate(-30px, 20px) rotate(8deg) scale(1.04); }
  66%      { transform: translate(15px, -15px) rotate(-5deg) scale(0.97); }
}

@keyframes blobDrift2 {
  0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
  40%      { transform: translate(25px, -20px) rotate(-6deg) scale(1.03); }
  75%      { transform: translate(-20px, 10px) rotate(4deg) scale(0.98); }
}

@keyframes blobDrift3 {
  0%, 100% { transform: translate(-50%, 0) rotate(0deg) scale(1); }
  50%      { transform: translate(-50%, -25px) rotate(10deg) scale(1.05); }
}


/* ==========================================
   LAYOUT
   ========================================== */

.app-container {
  position: relative;
  z-index: 1;
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
}


/* ==========================================
   HEADER
   ========================================== */

.app-header {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-2xl);
  margin-bottom: var(--space-xl);
}

.brand {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 0.35rem;
}

.tagline {
  font-family: var(--font-journal);
  font-style: italic;
  font-size: 0.92rem;
  color: var(--color-text-tertiary);
  font-weight: 400;
}

/* Thin decorative line below header */
.app-header::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-xl) auto 0;
}


/* ==========================================
   SECTION TITLES
   ========================================== */

.section-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-lg);
}


/* ==========================================
   NEW ENTRY — EDITOR SECTION
   ========================================== */

.new-entry-section {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-2xl);
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow var(--duration-normal) var(--ease-default),
    border-color var(--duration-normal) var(--ease-default);
}

.new-entry-section:focus-within {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
}

.form-group {
  margin-bottom: var(--space-lg);
  position: relative;
}

.form-group--editor {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.label-hint {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-text-tertiary);
  font-size: 0.76rem;
}


/* ==========================================
   RICH TEXT EDITOR
   ========================================== */

/* --- Toolbar --- */
.editor-toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 0.35rem 0.35rem;
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: 0;
}

.toolbar-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 30px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: 0.82rem;
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-default),
    color var(--duration-fast) var(--ease-default);
  outline: none;
}

.toolbar-btn:hover {
  background: var(--color-accent-subtle);
  color: var(--color-text);
}

.toolbar-btn.active {
  background: var(--color-accent-subtle);
  color: var(--color-accent);
}

/* --- Editor area --- */
.editor {
  width: 100%;
  min-height: 200px;
  padding: var(--space-lg) var(--space-md);
  background: transparent;
  border: none;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  outline: none;
  resize: none;
  word-break: break-word;
  overflow-wrap: break-word;
}

/* Placeholder via pseudo-element */
.editor:empty::before {
  content: attr(data-placeholder);
  color: var(--color-text-placeholder);
  font-style: italic;
  pointer-events: none;
}

/* Editor container styling */
.form-group--editor {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition:
    border-color var(--duration-fast) var(--ease-default),
    box-shadow var(--duration-fast) var(--ease-default);
}

.form-group--editor:focus-within {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 2.5px var(--color-accent-subtle);
}

.char-count {
  display: block;
  text-align: right;
  font-size: 0.72rem;
  color: var(--color-text-tertiary);
  padding: var(--space-xs) var(--space-md) var(--space-sm);
  letter-spacing: 0.01em;
}


/* ==========================================
   FORM INPUTS
   ========================================== */

input[type="text"] {
  width: 100%;
  padding: 0.7rem 0.875rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.65;
  transition:
    border-color var(--duration-fast) var(--ease-default),
    box-shadow var(--duration-fast) var(--ease-default);
  outline: none;
}

input[type="text"]:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 2.5px var(--color-accent-subtle);
}

input[type="text"]::placeholder {
  color: var(--color-text-placeholder);
}


/* ==========================================
   BUTTONS (with subtle glass effect)
   ========================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color var(--duration-fast) var(--ease-default),
    opacity var(--duration-fast) var(--ease-default),
    transform var(--duration-fast) var(--ease-default);
  outline: none;
  line-height: 1;
}

.btn:active {
  transform: scale(0.985);
}

.btn-primary {
  background: rgba(184, 117, 74, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #fff;
  padding: 0.75rem var(--space-xl);
  width: 100%;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.015em;
  border-radius: var(--radius-md);
  border: 1px solid rgba(184, 117, 74, 0.25);
}

.btn-primary:hover {
  background: rgba(163, 103, 63, 0.92);
}


/* ==========================================
   SEARCH
   ========================================== */

.search-section {
  margin-bottom: var(--space-2xl);
}

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

.search-icon-svg {
  position: absolute;
  left: 0.9rem;
  width: 16px;
  height: 16px;
  color: var(--color-text-tertiary);
  pointer-events: none;
}

#search-input {
  padding-left: 2.6rem;
  padding-right: 2.25rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  height: 44px;
  font-size: 0.88rem;
}

.search-clear {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  font-size: 1.15rem;
  cursor: pointer;
  line-height: 1;
  padding: var(--space-xs);
  opacity: 0;
  transition:
    opacity var(--duration-fast) var(--ease-default),
    color var(--duration-fast) var(--ease-default);
}

.search-clear.visible {
  opacity: 1;
}

.search-clear:hover {
  color: var(--color-text-secondary);
}


/* ==========================================
   ENTRIES SECTION
   ========================================== */

.entries-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-divider);
}

.entries-header .section-title {
  margin-bottom: 0;
}

.entry-count {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  font-weight: 400;
  letter-spacing: 0.02em;
}


/* ==========================================
   EMPTY / NO RESULTS STATES
   ========================================== */

.empty-state,
.no-results-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
  color: var(--color-text-tertiary);
}

.empty-state p,
.no-results-state p {
  font-family: var(--font-journal);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-text-tertiary);
  max-width: 340px;
  margin: 0 auto;
  line-height: 1.7;
}


/* ==========================================
   ENTRY CARDS
   ========================================== */

.entries-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.entry-card {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-divider);
  animation: fadeIn var(--duration-slow) var(--ease-default) both;
}

.entry-card:last-child {
  border-bottom: none;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.entry-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
}

.entry-date {
  font-size: 0.76rem;
  color: var(--color-text-tertiary);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.entry-delete-btn {
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  font-size: 0.78rem;
  font-family: var(--font-body);
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  transition:
    color var(--duration-fast) var(--ease-default),
    background-color var(--duration-fast) var(--ease-default);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  letter-spacing: 0.01em;
}

.entry-delete-btn:hover {
  color: var(--color-danger);
  background: var(--color-danger-subtle);
}

.entry-content {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text);
  word-break: break-word;
  margin-bottom: var(--space-md);
}

/* Preserve rich text formatting in entry display */
.entry-content b,
.entry-content strong {
  font-weight: 600;
}

.entry-content i,
.entry-content em {
  font-style: italic;
}

.entry-content u {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.entry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.18rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-tag-border);
  letter-spacing: 0.02em;
  transition: background-color var(--duration-fast) var(--ease-default);
}

.tag:hover {
  background: rgba(184, 117, 74, 0.12);
}


/* ==========================================
   CONFIRM DELETE
   ========================================== */

.entry-confirm-delete {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-divider);
  animation: fadeIn var(--duration-normal) var(--ease-default);
}

.entry-confirm-delete span {
  font-size: 0.82rem;
  color: var(--color-danger);
  font-weight: 500;
}

.btn-confirm-yes,
.btn-confirm-no {
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
  transition: all var(--duration-fast) var(--ease-default);
}

.btn-confirm-yes {
  background: var(--color-danger);
  color: #fff;
}
.btn-confirm-yes:hover {
  background: var(--color-danger-hover);
}

.btn-confirm-no {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}
.btn-confirm-no:hover {
  background: var(--color-bg-subtle);
  color: var(--color-text);
}


/* ==========================================
   TOAST NOTIFICATION
   ========================================== */

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  color: var(--color-text);
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transition:
    opacity var(--duration-slow) var(--ease-default),
    transform var(--duration-slow) var(--ease-default);
  z-index: 1000;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.toast-success {
  border-left: 3px solid var(--color-success);
}

.toast.toast-error {
  border-left: 3px solid var(--color-danger);
}


/* ==========================================
   FOOTER
   ========================================== */

.app-footer {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-xl);
  color: var(--color-text-tertiary);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}


/* ==========================================
   HEADER ACTIONS (theme toggle + auth)
   ========================================== */

.header-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.theme-toggle,
.auth-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-top: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  color: var(--color-text-secondary);
  cursor: pointer;
  transition:
    background-color var(--duration-normal) var(--ease-default),
    border-color var(--duration-normal) var(--ease-default),
    color var(--duration-normal) var(--ease-default),
    transform var(--duration-fast) var(--ease-default);
  outline: none;
}

.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-border-focus);
}

.theme-toggle:active {
  transform: scale(0.92);
}

.theme-icon {
  width: 18px;
  height: 18px;
  transition: opacity var(--duration-normal) var(--ease-default),
              transform var(--duration-slow) var(--ease-default);
}

/* Light mode: show moon, hide sun */
.theme-icon--sun {
  display: none;
}
.theme-icon--moon {
  display: block;
}

/* Dark mode: show sun, hide moon */
[data-theme="dark"] .theme-icon--sun {
  display: block;
}
[data-theme="dark"] .theme-icon--moon {
  display: none;
}

/* Dark mode noise overlay adjustment */
[data-theme="dark"] body::after {
  opacity: 0.03;
}

/* Dark mode blob adjustment */
[data-theme="dark"] .bg-blob {
  opacity: 0.03;
}

/* --- Auth button icon states --- */
.auth-icon {
  width: 18px;
  height: 18px;
}

/* GitHub icon inherits text color for theme adaptability */
.auth-icon--github {
  color: var(--color-text-secondary);
}

/* Default: show provider logos, hide logout */
.auth-icon--google,
.auth-icon--github {
  display: block;
}
.auth-icon--logout {
  display: none;
  color: var(--color-text-secondary);
}

/* Logged in: hide both provider buttons, show logout on Google btn */
body[data-auth="true"] .auth-btn--github {
  display: none;
}
body[data-auth="true"] .auth-icon--google {
  display: none;
}
body[data-auth="true"] .auth-icon--logout {
  display: block;
}


/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 640px) {
  :root {
    --content-max-width: 100%;
  }

  .app-container {
    padding: var(--space-md);
  }

  .new-entry-section {
    padding: var(--space-lg);
  }

  .brand {
    font-size: 1.9rem;
  }

  .editor {
    min-height: 160px;
    padding: var(--space-md) var(--space-sm);
    font-size: 0.95rem;
  }

  .entry-card {
    padding: var(--space-lg) 0;
  }

  .bg-blob--1 { width: 350px; height: 350px; }
  .bg-blob--2 { width: 280px; height: 280px; }
  .bg-blob--3 { display: none; }
}