/*
 * DOMOVIK - Global Design System
 * Paleta uskladjena sa maticnim sajtom domovik.org
 * Tipografija: Playfair Display (display) + Libre Franklin (body) + JetBrains Mono (code)
 * Spacing: 8px base grid
 */

/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=Libre+Franklin:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ===== CSS CUSTOM PROPERTIES (Design Tokens) ===== */
:root {
  /* --- Primary Colors (Domovik Brand) --- */
  --color-primary:          #006AAF;   /* Dominantna plava — headings, primary buttons */
  --color-primary-dark:     #005490;   /* Hover state za primary */
  --color-primary-light:    #E8F4FD;   /* Svetla plava za subtle backgrounds */

  /* --- Secondary / Navy --- */
  --color-secondary:        #293478;   /* Tamni navy — jaki naglasci, button text */
  --color-secondary-dark:   #1E2760;   /* Hover state za secondary */
  --color-secondary-light:  #E3E2ED;   /* Lavanda pozadina sekcija */

  /* --- Accent (Warm) --- */
  --color-accent:           #C6451F;   /* Crveno-narandzasti — dekorativne linije, hover accents */
  --color-accent-dark:      #A93919;   /* Hover/active state za accent */
  --color-accent-light:     #FCEEE9;   /* Svetla narandzasta za hover backgrounds */

  /* --- Backgrounds (Topla krem paleta) --- */
  --color-bg:               #F5F1ED;   /* Primarna pozadina stranice */
  --color-bg-alt:           #EFE8DF;   /* Alternativna pozadina sekcija */
  --color-bg-lavender:      #E3E2ED;   /* Lavanda za varijaciju */
  --color-surface:          #FFFFFF;   /* Kartice, forme, modali */

  /* --- Text --- */
  --color-text:             #222222;   /* Body tekst */
  --color-text-secondary:   #707070;   /* Secondary / helper tekst */
  --color-text-inverse:     #FFFFFF;   /* Tekst na tamnim pozadinama */
  --color-text-heading:     #006AAF;   /* Naslovi sekcija — brand plava */

  /* --- Borders --- */
  --color-border:           #D4CFC8;   /* Warm gray granice */
  --color-border-light:     #E8E4DE;   /* Svetlija granica */
  --color-border-focus:     #006AAF;   /* Focus ring */

  /* --- Semantic / Status --- */
  --color-error:            #C0392B;
  --color-error-light:      #FDEDEB;
  --color-success:          #27AE60;
  --color-success-light:    #EAFAF1;
  --color-info:             #2980B9;
  --color-info-light:       #EBF5FB;
  --color-warning:          #F39C12;
  --color-warning-light:    #FEF9E7;

  /* --- Typography --- */
  --font-display:           'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:              'Libre Franklin', 'Helvetica Neue', Arial, sans-serif;
  --font-mono:              'JetBrains Mono', 'Courier New', monospace;

  /* Font sizes (minor third scale ~1.2) */
  --text-xs:                0.75rem;    /* 12px */
  --text-sm:                0.875rem;   /* 14px */
  --text-base:              1rem;       /* 16px */
  --text-md:                1.125rem;   /* 18px */
  --text-lg:                1.25rem;    /* 20px */
  --text-xl:                1.5rem;     /* 24px */
  --text-2xl:               2rem;       /* 32px */
  --text-3xl:               2.5rem;     /* 40px */
  --text-4xl:               3rem;       /* 48px */

  /* --- Spacing (8px grid) --- */
  --space-1:                0.25rem;    /* 4px  */
  --space-2:                0.5rem;     /* 8px  */
  --space-3:                0.75rem;    /* 12px */
  --space-4:                1rem;       /* 16px */
  --space-5:                1.5rem;     /* 24px */
  --space-6:                2rem;       /* 32px */
  --space-7:                2.5rem;     /* 40px */
  --space-8:                3rem;       /* 48px */
  --space-9:                4rem;       /* 64px */
  --space-10:               5rem;       /* 80px */

  /* --- Border Radius --- */
  --radius-sm:              4px;
  --radius-md:              8px;
  --radius-lg:              12px;
  --radius-xl:              16px;
  --radius-full:            9999px;

  /* --- Shadows --- */
  --shadow-sm:              0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md:              0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg:              0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl:              0 12px 40px rgba(0, 0, 0, 0.15);

  /* --- Transitions --- */
  --transition-fast:        150ms ease;
  --transition-base:        250ms ease;
  --transition-slow:        400ms ease;

  /* ===== LEGACY ALIASES (backward compat za forms.css itd.) ===== */
  --primary-teal:           var(--color-primary);
  --accent-coral:           var(--color-accent);
  --neutral-warm-gray:      var(--color-bg);
  --neutral-beige:          var(--color-bg-alt);
  --text-primary:           var(--color-text);
  --text-secondary:         var(--color-text-secondary);
  --spacing-xs:             var(--space-2);
  --spacing-sm:             var(--space-4);
  --spacing-md:             var(--space-5);
  --spacing-lg:             var(--space-6);
  --spacing-xl:             var(--space-8);
}


/* ================================================================
   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);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}


/* ================================================================
   TYPOGRAPHY
   ================================================================ */

/* Display headings — Playfair Display */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  margin-bottom: var(--space-4);
  color: var(--color-text-heading);
}

h1 {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-2xl);
  font-weight: 600;
}

h3 {
  font-size: var(--text-xl);
  font-weight: 600;
}

h4 {
  font-size: var(--text-lg);
  font-weight: 500;
}

h5 {
  font-size: var(--text-md);
  font-weight: 500;
}

h6 {
  font-size: var(--text-base);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: var(--space-4);
}

small,
.text-sm {
  font-size: var(--text-sm);
}

.text-xs {
  font-size: var(--text-xs);
}

strong, b {
  font-weight: 600;
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Monospace — za reference numbere, ID formate */
.mono,
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}


/* ================================================================
   BUTTONS
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  min-height: 44px;   /* WCAG touch target */
  min-width: 44px;
  line-height: 1.4;
}

.btn:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

/* Primary — Domovik plava sa belim tekstom */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.btn--primary:active {
  transform: translateY(1px);
  box-shadow: var(--shadow-sm);
}

/* Secondary — Navy outline */
.btn--secondary {
  background-color: transparent;
  color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.btn--secondary:hover {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.btn--secondary:active {
  transform: translateY(1px);
}

/* Accent — Crveno-narandzasti CTA */
.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  border-color: var(--color-accent);
}

.btn--accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-text-inverse);
  text-decoration: none;
  box-shadow: var(--shadow-md);
}

.btn--accent:active {
  transform: translateY(1px);
}

/* Ghost — Transparentan sa tekstom */
.btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
  border-color: transparent;
}

.btn--ghost:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* Disabled state — svi buttoni */
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Size variants */
.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-sm);
  min-height: 36px;
}

.btn--lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-md);
  min-height: 52px;
}


/* ================================================================
   FORM ELEMENTS (base stilovi)
   ================================================================ */

label {
  display: block;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="number"],
input[type="date"],
input[type="password"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.7;
}

/* Error state */
input.is-error,
select.is-error,
textarea.is-error {
  border-color: var(--color-error);
}

input.is-error:focus,
select.is-error:focus,
textarea.is-error:focus {
  box-shadow: 0 0 0 3px var(--color-error-light);
}

/* Success state */
input.is-valid,
select.is-valid,
textarea.is-valid {
  border-color: var(--color-success);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

/* Select arrow */
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23707070' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-8);
}

/* Helper / error text under inputs */
.field-help {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

.field-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  font-weight: 500;
}


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

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card--flat {
  box-shadow: none;
  border: 1px solid var(--color-border);
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: var(--space-3);
}

.card__body {
  color: var(--color-text);
}

.card__footer {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}


/* ================================================================
   SECTION HEADERS
   ================================================================ */

.section-header {
  margin-bottom: var(--space-6);
}

.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: var(--space-2);
}

.section-header__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  max-width: 700px;
}

/* Decorative accent line under section title */
.section-header__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background-color: var(--color-accent);
  margin-top: var(--space-3);
  border-radius: var(--radius-full);
}

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

.section-header--center .section-header__title::after {
  margin-left: auto;
  margin-right: auto;
}

.section-header--center .section-header__subtitle {
  margin-left: auto;
  margin-right: auto;
}


/* ================================================================
   BADGES / CHIPS
   ================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge--primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
}

.badge--secondary {
  background-color: var(--color-secondary-light);
  color: var(--color-secondary);
}

.badge--accent {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.badge--success {
  background-color: var(--color-success-light);
  color: var(--color-success);
}

.badge--error {
  background-color: var(--color-error-light);
  color: var(--color-error);
}

.badge--info {
  background-color: var(--color-info-light);
  color: var(--color-info);
}

.badge--warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning);
}


/* ================================================================
   ALERTS
   ================================================================ */

.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  font-size: var(--text-sm);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.alert--info {
  background-color: var(--color-info-light);
  border-color: var(--color-info);
  color: #1A5276;
}

.alert--success {
  background-color: var(--color-success-light);
  border-color: var(--color-success);
  color: #1E7E34;
}

.alert--error {
  background-color: var(--color-error-light);
  border-color: var(--color-error);
  color: #922B21;
}

.alert--warning {
  background-color: var(--color-warning-light);
  border-color: var(--color-warning);
  color: #7D6608;
}

.alert__title {
  font-weight: 700;
  margin-bottom: var(--space-1);
}


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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container--narrow {
  max-width: 800px;
}

.container--wide {
  max-width: 1400px;
}


/* ================================================================
   DIVIDERS
   ================================================================ */

hr,
.divider {
  border: none;
  height: 1px;
  background-color: var(--color-border-light);
  margin: var(--space-6) 0;
}

.divider--accent {
  height: 3px;
  background-color: var(--color-accent);
  width: 48px;
  border-radius: var(--radius-full);
}


/* ================================================================
   UTILITY CLASSES
   ================================================================ */

.text-center    { text-align: center; }
.text-right     { text-align: right; }
.text-primary   { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-text-secondary) !important; }
.text-accent    { color: var(--color-accent) !important; }
.text-error     { color: var(--color-error) !important; }
.text-success   { color: var(--color-success) !important; }

.bg-surface     { background-color: var(--color-surface); }
.bg-alt         { background-color: var(--color-bg-alt); }
.bg-lavender    { background-color: var(--color-bg-lavender); }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-6 { margin-bottom: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-8 { margin-bottom: var(--space-8); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


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

@media (max-width: 768px) {
  h1 { font-size: var(--text-2xl); }
  h2 { font-size: 1.75rem; }
  h3 { font-size: var(--text-lg); }

  .container {
    padding: 0 var(--space-4);
  }

  /* 48px touch targets on all interactive elements */
  .btn {
    min-height: 48px;
  }

  input, select, textarea {
    min-height: 48px;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: var(--text-xl); }

  .btn {
    padding: var(--space-2) var(--space-4);
  }

  .card {
    padding: var(--space-4);
  }
}


/* ================================================================
   ACCESSIBILITY
   ================================================================ */

/* Focus states za keyboard navigaciju */
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 2px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  z-index: 100;
  font-weight: 600;
}

.skip-link:focus {
  top: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --color-text: #000000;
    --color-text-secondary: #333333;
  }
}


/* ================================================================
   LEGACY COMPONENT SUPPORT
   Zadrzano za kompatibilnost sa postojecim templateima
   ================================================================ */

.placeholder-message {
  max-width: 600px;
  margin: var(--space-9) auto;
  padding: var(--space-6);
  text-align: center;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 2px dashed var(--color-primary);
}

.placeholder-message h2 {
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.placeholder-message p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.coa-form__hero,
.cob-form__hero {
  text-align: center;
  padding: var(--space-8) var(--space-4) var(--space-6);
}

.coa-form__subtitle,
.cob-form__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}