/* Art direction: Uptime monitoring SaaS → developer-focused, precise, minimal
   Palette: dark by default, teal accent for status UP, red for DOWN
   Typography: Geist Mono (display) + Inter (body) — technical, clean
   Density: dense (SaaS dashboard) */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300..700&family=Geist+Mono:wght@300..700&display=swap');

/* ─── Design Tokens ─────────────────────────────────────── */
:root, [data-theme="light"] {
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
  --font-mono: 'Geist Mono', 'Courier New', monospace;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  --space-1: 0.25rem; --space-2: 0.5rem;  --space-3: 0.75rem;
  --space-4: 1rem;    --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem;    --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem;   --space-20: 5rem;   --space-24: 6rem;

  --color-bg:             #f7f6f2;
  --color-surface:        #f9f8f5;
  --color-surface-2:      #fbfbf9;
  --color-surface-offset: #f3f0ec;
  --color-surface-dynamic:#e6e4df;
  --color-divider:        #dcd9d5;
  --color-border:         #d4d1ca;
  --color-text:           #28251d;
  --color-text-muted:     #7a7974;
  --color-text-faint:     #bab9b4;
  --color-text-inverse:   #f9f8f4;
  --color-primary:        #01696f;
  --color-primary-hover:  #0c4e54;
  --color-primary-active: #0f3638;
  --color-primary-highlight: #cedcd8;
  --color-error:          #a12c7b;
  --color-error-hover:    #7d1e5e;
  --color-success:        #437a22;
  --color-success-hover:  #2e5c10;
  --color-success-highlight: #d4dfcc;
  --color-warning:        #964219;
  --color-warning-highlight: #ddcfc6;
  --color-notification:   #a13544;

  --radius-sm: 0.375rem; --radius-md: 0.5rem;
  --radius-lg: 0.75rem;  --radius-xl: 1rem;
  --radius-full: 9999px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 4px 12px oklch(0.2 0.01 80 / 0.08);
  --shadow-lg: 0 12px 32px oklch(0.2 0.01 80 / 0.12);
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

[data-theme="dark"], [data-theme="dark"] * {
  --color-bg:             #0d0d0d;
  --color-surface:        #111110;
  --color-surface-2:      #161615;
  --color-surface-offset: #1a1a18;
  --color-surface-dynamic:#222220;
  --color-divider:        #1f1f1d;
  --color-border:         #2a2a28;
  --color-text:           #e8e6e3;
  --color-text-muted:     #7a7876;
  --color-text-faint:     #4a4946;
  --color-text-inverse:   #1a1a18;
  --color-primary:        #2db5be;
  --color-primary-hover:  #1a9aa3;
  --color-primary-active: #0f7880;
  --color-primary-highlight: #1a3436;
  --color-error:          #e05c9c;
  --color-error-hover:    #c8438a;
  --color-success:        #5fb53c;
  --color-success-hover:  #4a9a2a;
  --color-success-highlight: #1a2e14;
  --color-warning:        #e07a35;
  --color-warning-highlight: #2e1f10;
  --color-notification:   #e05565;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.4);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #0d0d0d;
    --color-surface:        #111110;
    --color-surface-2:      #161615;
    --color-surface-offset: #1a1a18;
    --color-surface-dynamic:#222220;
    --color-divider:        #1f1f1d;
    --color-border:         #2a2a28;
    --color-text:           #e8e6e3;
    --color-text-muted:     #7a7876;
    --color-text-faint:     #4a4946;
    --color-text-inverse:   #1a1a18;
    --color-primary:        #2db5be;
    --color-primary-hover:  #1a9aa3;
    --color-primary-active: #0f7880;
    --color-primary-highlight: #1a3436;
    --color-error:          #e05c9c;
    --color-error-hover:    #c8438a;
    --color-success:        #5fb53c;
    --color-success-hover:  #4a9a2a;
    --color-success-highlight: #1a2e14;
    --color-warning:        #e07a35;
    --color-warning-highlight: #2e1f10;
    --color-notification:   #e05565;
  }
}

/* ─── Base Reset ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-16);
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.2; }
p, li { text-wrap: pretty; max-width: 72ch; }
button { cursor: pointer; background: none; border: none; }
table { border-collapse: collapse; width: 100%; }

::selection { background: oklch(from var(--color-primary) l c h / 0.25); color: var(--color-text); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

a, button, [role="button"], input, textarea, select {
  transition: color var(--transition-interactive), background var(--transition-interactive),
              border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

/* ─── Shared Layout ──────────────────────────────────────── */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--wide { max-width: var(--content-wide); }

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  min-height: 44px;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.btn-primary:active { background: var(--color-primary-active); }

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover { background: var(--color-surface-offset); border-color: var(--color-text-muted); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
  padding-inline: var(--space-3);
}
.btn-ghost:hover { background: var(--color-surface-offset); color: var(--color-text); }

.btn-danger {
  background: transparent;
  color: var(--color-notification);
  border-color: var(--color-border);
}
.btn-danger:hover { background: oklch(from var(--color-notification) l c h / 0.08); border-color: var(--color-notification); }

.btn-sm { padding: var(--space-1) var(--space-3); min-height: 32px; font-size: var(--text-xs); }

/* ─── Form Elements ──────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--color-text);
  min-height: 44px;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}

.form-input::placeholder { color: var(--color-text-faint); }

.form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
  min-height: 44px;
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237a7974' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}

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

/* ─── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.navbar__logo-text {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.navbar__logo-text span { color: var(--color-primary); }

.navbar__actions { display: flex; align-items: center; gap: var(--space-3); }

/* ─── Status Badges ──────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

.badge--down {
  background: oklch(from var(--color-notification) l c h / 0.12);
  color: var(--color-notification);
}

.badge--unknown {
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: currentColor;
}

.badge--up .badge__dot { animation: pulse-up 2s ease-in-out infinite; }

@keyframes pulse-up {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ─── Cards ──────────────────────────────────────────────── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.card__body { padding: var(--space-6); }

/* ─── Theme Toggle ───────────────────────────────────────── */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }

/* ─── Notification Toast ─────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  color: var(--color-text);
  pointer-events: all;
  animation: toast-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  max-width: 360px;
}

.toast--success { border-color: oklch(from var(--color-success) l c h / 0.4); }
.toast--error   { border-color: oklch(from var(--color-error) l c h / 0.4); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ─── Modal ──────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: oklch(0 0 0 / 0.6);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  backdrop-filter: blur(4px);
  animation: fade-in 0.2s ease forwards;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  animation: modal-in 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.modal__title {
  font-size: var(--text-base);
  font-weight: 600;
  font-family: var(--font-mono);
}

.modal__body { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-5); }

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
}

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-in {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─── Empty State ────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-20) var(--space-8);
  color: var(--color-text-muted);
}
.empty-state svg { color: var(--color-text-faint); margin-bottom: var(--space-4); }
.empty-state h3 { color: var(--color-text); font-size: var(--text-base); font-weight: 600; margin-bottom: var(--space-2); }
.empty-state p { max-width: 36ch; margin-bottom: var(--space-6); font-size: var(--text-sm); }

/* ─── Skeleton ───────────────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}
.skeleton {
  background: linear-gradient(90deg,
    var(--color-surface-offset) 25%,
    var(--color-surface-dynamic) 50%,
    var(--color-surface-offset) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

/* ─── Skip Link ──────────────────────────────────────────── */
.skip-link {
  position: absolute;
  transform: translateY(-100%);
  left: var(--space-4);
  top: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
  text-decoration: none;
  font-size: var(--text-sm);
  z-index: 9999;
  transition: transform 0.2s;
}
.skip-link:focus { transform: translateY(0); }

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .container { padding-inline: var(--space-4); }
  .card__header { padding: var(--space-3) var(--space-4); }
  .card__body { padding: var(--space-4); }
  .modal__body { padding: var(--space-4); }
  .modal__footer { padding: var(--space-3) var(--space-4); }
  #toast-container { bottom: var(--space-4); right: var(--space-4); left: var(--space-4); }
}


/* --- PingWatch fixes: modal layout + compatibility --- */
.modal,
.modal * {
  box-sizing: border-box;
}

.modal {
  width: 100%;
  max-width: min(620px, calc(100vw - 32px));
  overflow: hidden;
}

.modal__header,
.modal-header,
.modalheader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-divider);
}

.modal__title,
.modal-title,
.modaltitle {
  font-size: var(--text-base);
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--color-text);
}

.modal__body,
.modal-body,
.modalbody {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-6);
}

.modal__body p,
.modal-body p,
.modalbody p {
  max-width: none;
}

.modal__footer,
.modal-footer,
.modalfooter {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.modal .form-group,
.modal .form-input,
.modal .form-select,
.modal input,
.modal select,
.modal textarea {
  width: 100%;
  max-width: 100%;
}

#modal-add .modal,
#modal-delete-account .modal,
#modal-channel .modal {
  max-width: min(620px, calc(100vw - 32px));
}

@media (max-width: 640px) {
  .modal {
    max-width: calc(100vw - 24px);
  }

  .modal__header,
  .modal-header,
  .modalheader,
  .modal__body,
  .modal-body,
  .modalbody,
  .modal__footer,
  .modal-footer,
  .modalfooter {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .modal__footer,
  .modal-footer,
  .modalfooter {
    justify-content: stretch;
  }

  .modal__footer .btn,
  .modal-footer .btn,
  .modalfooter .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}