/**
 * EasyWy prototype — theme: colors, typography, spacing, and UI tokens.
 *
 * Import this file on every page (before mobile.css) so fonts, colors, and
 * sizes come from one place. Component/layout rules live in mobile.css.
 *
 * Each HTML page should set <body data-page="…"> (e.g. slug matching the file name).
 * Green shell + primary palette apply to body[data-page]; emerald app bar to all except data-page="home".
 * Future dark mode: e.g. html[data-theme="dark"] overriding these vars.
 */

:root {
  /* —— Layout (shared) —— */
  --radius: 12px;
  --safe-top: env(safe-area-inset-top, 12px);
  --safe-bottom: env(safe-area-inset-bottom, 16px);

  /* —— Spacing —— */
  --space-0: 0;
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 20px;
  --space-xl: 24px;
  --gap-xs: 4px;
  --gap-sm: 8px;
  --gap-md: 12px;
  --gap-grid: 10px;
  --list-indent: 18px;

  /* —— Typography —— */
  --font-family-base: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-size-root: 16px;
  --font-weight-medium: 600;
  --font-weight-bold: 700;

  /* Type scale by UI section */
  --type-html-size: var(--font-size-root);
  --type-header-btn: 1.25rem;
  --type-header-title: 1.05rem;
  --type-header-title-sub: 0.95rem;
  --type-hint: 0.85rem;
  --type-tagline: 0.9rem;
  --type-brand-icon: 2.5rem;
  --type-brand-heading: 1.75rem;
  --type-welcome: 1.1rem;
  --type-form-label: 0.8rem;
  --type-input: 1rem;
  --type-button: 1rem;
  --type-button-weight: var(--font-weight-medium);
  --type-links-row: 0.9rem;
  --type-legal: 0.72rem;
  --type-list-card-body: 0.9rem;
  --type-main-tile-title: 0.95rem;
  --type-main-tile-desc: 0.75rem;
  --type-stat-value: 1.25rem;
  --type-stat-label: 0.75rem;
  --type-toolbar-meta: 0.85rem;
  --type-status-chip: 0.75rem;
  --type-fab: 1.5rem;
  --type-tab: 0.8rem;
  --type-update-banner-title: 0.95rem;
  --type-update-banner-body: 0.85rem;
  --type-preview-doc: 0.85rem;
  --type-preview-table: 0.8rem;
  --type-radio-desc: 0.85rem;
  --type-badge: 0.65rem;
  --type-btn-small: 0.85rem;
  --type-section-heading: 1rem;
  --type-caption: 0.8rem;
  --type-preview-title: 1.1rem;
  --type-alert-icon: 2rem;
  --type-dash-greeting: 1.35rem;
  --type-bottom-nav-label: 0.68rem;
  --type-add-sheet-title: 0.9rem;
  --type-add-sheet-desc: 0.78rem;

  /* —— Palette (primitive) —— */
  --color-primary: #3880ff;
  --color-primary-pressed: #3171e0;
  --color-primary-rgb: 56, 128, 255;

  --color-danger: #eb445a;
  --color-success: #2dd36f;
  --color-warning: #ffc409;

  --color-bg-page: #f5f5f7;
  --color-surface: #ffffff;
  --color-text: #1a1a1e;
  --color-text-muted: #666666;
  --color-border: #e0e0e5;

  --color-on-primary: #ffffff;
  --color-list-actions-bg: #fafafa;
  --color-input-readonly-bg: #f0f0f2;
  --color-card-danger-border: #ffcdd2;
  --color-card-danger-bg: #fff8f8;

  /* Status chips */
  --color-status-paid-bg: rgba(45, 211, 111, 0.2);
  --color-status-paid-text: #1b5e20;
  --color-status-partial-bg: rgba(255, 196, 9, 0.25);
  --color-status-partial-text: #856404;
  --color-status-unpaid-bg: rgba(235, 68, 90, 0.15);
  --color-status-unpaid-text: #c62828;

  /* Banners */
  --color-banner-warn-bg: #fff8e6;
  --color-banner-warn-border: #ffe082;
  --color-overlay-scrim: rgba(0, 0, 0, 0.45);

  /* —— Shell —— */
  --shell-max-width: 430px;
  --shell-bg: var(--color-bg-page);
  --shell-shadow: 0 0 40px rgba(0, 0, 0, 0.08);

  /* Focus & interactive */
  --focus-ring-color: rgba(var(--color-primary-rgb), 0.2);
  --header-btn-active-bg: rgba(var(--color-primary-rgb), 0.12);
  --fab-shadow: 0 4px 12px rgba(var(--color-primary-rgb), 0.45);
  --chart-mock-gradient: linear-gradient(180deg, rgba(var(--color-primary-rgb), 0.15), transparent);

  /* Card elevation */
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04);

  /* Brand (auth) */
  --color-brand-heading: var(--color-text);
  --color-brand-tagline: var(--color-text-muted);
  --brand-mark-background: var(--color-primary);
  --brand-mark-text: var(--color-on-primary);
  --brand-mark-shadow: none;
  --size-brand-mark: 64px;
  --radius-brand-mark: 16px;
  --type-brand-mark: 1.65rem;
  --weight-brand-heading: var(--font-weight-bold);
  --weight-welcome: var(--font-weight-medium);
  --space-brand-block-pad: 24px 16px 8px;

  /* Auth card */
  --login-card-border: 1px solid var(--color-border);
  --login-card-shadow: var(--shadow-card);
  --color-welcome: var(--color-text-muted);
  --btn-primary-shadow: none;
  --btn-primary-active-shadow: none;
  --btn-outline-border: 2px solid var(--color-primary);
  --btn-outline-bg: transparent;
  --color-legal-link: var(--color-text-muted);
  --color-legal-link-pressed: var(--color-legal-link);

  /* Sticky footers (forms) */
  --app-footer-padding: var(--space-xs) var(--space-md) calc(var(--space-xs) + var(--safe-bottom));

  /* Outline button — danger variant */
  --btn-danger-outline-color: var(--color-danger);
  --btn-danger-outline-border: var(--color-danger);

  /* App header (toolbar) */
  --app-header-icon-touch: 40px;
  --app-header-gap: var(--gap-sm);
  --app-header-min-height: 52px;
  --app-header-pad-y: var(--space-xs);
  --app-header-pad-x: var(--space-sm);

  /* Bottom navigation + create sheet (dashboard) */
  --bottom-nav-height: 52px;
  --bottom-nav-inner-pad-x: var(--space-xxs);
  --bottom-nav-bg: var(--color-surface);
  --bottom-nav-border-top: 1px solid var(--color-border);
  --bottom-nav-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
  --bottom-nav-icon-size: 1.28rem;
  --bottom-nav-item-color: var(--color-text-muted);
  --bottom-nav-item-active-color: var(--color-primary);
  --bottom-nav-item-active-bg: rgba(var(--color-primary-rgb), 0.08);
  --bottom-nav-fab-size: 48px;
  --bottom-nav-fab-icon-size: 1.65rem;
  --add-sheet-panel-bg: var(--color-surface);
  --add-sheet-panel-shadow: var(--shadow-card);
  --add-sheet-handle-bg: var(--color-border);
  --dash-content-pad-bottom: calc(var(--bottom-nav-height) + var(--space-xl) + var(--safe-bottom));
  /* Dashboard donuts — size & surface */
  --pie-chart-size: 108px;
  --pie-donut-hole: 56%;
  --pie-surround-pad: var(--space-xs);
  --pie-surround-bg: var(--color-bg-page);
  --pie-surround-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
  --pie-ring-inset: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
  /* Quotation chart — single-hue progression (reads professional, works with green theme) */
  --pie-quote-1: #14532d;
  --pie-quote-2: #166534;
  --pie-quote-3: #15803d;
  --pie-quote-4: #4ade80;
  /* Invoice chart — status-like but restrained */
  --pie-inv-paid: #166534;
  --pie-inv-partial: #a16207;
  --pie-inv-unpaid: #9a3412;

  /* Legacy aliases — used across mobile.css */
  --primary: var(--color-primary);
  --primary-shade: var(--color-primary-pressed);
  --danger: var(--color-danger);
  --success: var(--color-success);
  --warning: var(--color-warning);
  --bg: var(--color-bg-page);
  --card: var(--color-surface);
  --text: var(--color-text);
  --text-muted: var(--color-text-muted);
  --border: var(--color-border);
}

/* Green & white theme — every screen with data-page (login + full app; requires body data-page on each HTML page) */
body[data-page] {
  --color-primary: #15803d;
  --color-primary-pressed: #166534;
  --color-primary-rgb: 21, 128, 61;

  --color-bg-page: #f4fbf6;

  --shell-bg: linear-gradient(180deg, #e8f5eb 0%, #f4fbf6 28%, #ffffff 52%);
  --shell-shadow: 0 0 48px rgba(21, 128, 61, 0.06);

  --btn-primary-shadow: 0 4px 14px rgba(21, 128, 61, 0.35);
  --btn-primary-active-shadow: 0 2px 8px rgba(21, 128, 61, 0.28);
  --btn-outline-border: 2px solid rgba(21, 128, 61, 0.35);
  --btn-outline-bg: rgba(255, 255, 255, 0.8);

  --focus-ring-color: rgba(21, 128, 61, 0.18);
  --header-btn-active-bg: rgba(21, 128, 61, 0.12);
  --fab-shadow: 0 4px 14px rgba(21, 128, 61, 0.35);
  --chart-mock-gradient: linear-gradient(180deg, rgba(21, 128, 61, 0.12), transparent);

  /* Re-resolve so active tab uses green ( :root had blue baked into inherited token ) */
  --bottom-nav-item-active-color: var(--color-primary);
  --bottom-nav-item-active-bg: rgba(var(--color-primary-rgb), 0.08);

  --primary: var(--color-primary);
  --primary-shade: var(--color-primary-pressed);
  --bg: var(--color-bg-page);
}

/* Emerald app bar — same chrome as dashboard on every screen except login (home has no toolbar) */
body[data-page]:not([data-page='home']) {
  --app-header-dashboard-bg: linear-gradient(
    168deg,
    #1a9f55 0%,
    #15803d 38%,
    #166534 72%,
    #134e2a 100%
  );
  --app-header-dashboard-border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  --app-header-dashboard-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 4px 18px rgba(15, 81, 50, 0.35);
  --app-header-dashboard-title-color: #f7fef9;
  --app-header-dashboard-btn-color: rgba(255, 255, 255, 0.95);
  --app-header-dashboard-btn-active-bg: rgba(255, 255, 255, 0.16);
  --app-header-dashboard-focus-ring: rgba(255, 255, 255, 0.4);
}

/* Login page — brand block & auth card */
body[data-page='home'] {
  --login-hero-gradient: linear-gradient(135deg, #a5d6a7 0%, #ffffff 50%, #0d3d11 100%);
  --shell-bg: var(--login-hero-gradient);
  --color-bg-page: #0d3d11;
  --bg: var(--login-hero-gradient);
  --shell-shadow: 0 0 48px rgba(13, 61, 17, 0.35);

  --color-brand-heading: #0d3d11;
  --color-brand-tagline: #2e7d32;
  --brand-mark-background: linear-gradient(145deg, #ffffff 0%, #e8f4e9 45%, #c8e6c9 100%);
  --brand-mark-text: #0d3d11;
  --brand-mark-shadow:
    0 8px 24px rgba(0, 0, 0, 0.18),
    0 1px 0 rgba(255, 255, 255, 0.4) inset;
  --space-brand-block-pad: 32px 16px 16px;

  --login-card-border: 1px solid rgba(255, 255, 255, 0.35);
  --login-card-shadow:
    0 8px 32px rgba(0, 0, 0, 0.2),
    0 1px 3px rgba(0, 0, 0, 0.08);

  --color-welcome: #14532d;
  --color-legal-link: #4d7c59;
  --color-legal-link-pressed: var(--color-primary-pressed);
}

html {
  font-family: var(--font-family-base);
  font-size: var(--type-html-size);
}
