/* ============================================================
   ZeitTracker – Stylesheet (radblitz.de Style)
   Passe die CSS-Variablen in :root an, um das Design zu ändern
   ============================================================ */

/* ── DESIGN TOKENS ── */
:root {
  /* Farben */
  --color-primary:        #E8FF00;
  --color-primary-hover:  #d4ea00;
  --color-primary-text:   #5A0064;

  --color-dark:           #5A0064;
  --color-dark-hover:     #420049;

  --color-success:        #E8FF00;
  --color-success-bg:     rgba(232,255,0,.15);
  --color-success-text:   #E8FF00;

  --color-warning:        #E8FF00;
  --color-warning-bg:     rgba(232,255,0,.1);
  --color-warning-text:   #E8FF00;

  --color-danger:         #ff4d6d;
  --color-danger-bg:      rgba(255,77,109,.15);
  --color-danger-text:    #ff4d6d;

  --color-bg:             #5A0064;
  --color-surface:        #6e007a;
  --color-surface-2:      #7a0088;
  --color-border:         rgba(232,255,0,.3);

  --color-text:           #ffffff;
  --color-text-muted:     rgba(255,255,255,.55);
  --color-text-on-primary:#5A0064;

  /* Timer-Buttons */
  --btn-start-bg:         #E8FF00;
  --btn-start-bg-hover:   #d4ea00;
  --btn-start-text:       #5A0064;

  --btn-stop-bg:          #ff4d6d;
  --btn-stop-bg-hover:    #e63355;
  --btn-stop-text:        #ffffff;

  --btn-pause-bg:         rgba(232,255,0,.2);
  --btn-pause-bg-hover:   rgba(232,255,0,.3);
  --btn-pause-text:       #E8FF00;

  --btn-resume-bg:        #E8FF00;
  --btn-resume-bg-hover:  #d4ea00;
  --btn-resume-text:      #5A0064;

  /* Status-Badge */
  --badge-idle-bg:        rgba(255,255,255,.1);
  --badge-idle-text:      rgba(255,255,255,.6);
  --badge-running-bg:     rgba(232,255,0,.2);
  --badge-running-text:   #E8FF00;
  --badge-paused-bg:      rgba(232,255,0,.1);
  --badge-paused-text:    rgba(232,255,0,.8);

  /* Timer-Ziffern */
  --timer-font-size:      clamp(3.5rem, 18vw, 6rem);
  --timer-color:          #ffffff;
  --timer-sep-color:      rgba(232,255,0,.4);

  /* Header */
  --header-bg:            #420049;
  --header-border:        #E8FF00;
  --header-text:          #ffffff;

  /* Shapes & Spacing */
  --radius-sm:            4px;
  --radius-md:            6px;
  --radius-lg:            8px;
  --radius-full:          9999px;

  --shadow-sm:  0 1px 3px rgb(0 0 0 / .25);
  --shadow-md:  0 3px 10px rgb(0 0 0 / .30);
  --shadow-lg:  0 8px 24px rgb(0 0 0 / .35);

  /* Fonts */
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body:    'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition:   0.18s ease;
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  overscroll-behavior: none;
}

/* ── SCREENS ── */
.screen {
  min-height: 100dvh;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.hidden { display: none !important; }

/* ── LOGIN ── */
#login-screen {
  background: #5A0064;
}

.login-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
}

.login-logo {
  width: 72px;
  height: 72px;
  background: var(--color-primary);
  border-radius: 0;          /* radblitz – keine runden Ecken */
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.logo-icon {
  width: 36px;
  height: 36px;
  color: #ffffff;
}

.login-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
  letter-spacing: -0.01em;
}

.login-subtitle {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: rgba(255,255,255,.55);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

#login-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.field-group label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255,255,255,.7);
  text-transform: uppercase;
  letter-spacing: 0.07em;
}

.field-group input {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid rgba(255,255,255,.15);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-body);
  color: #ffffff;
  background: rgba(255,255,255,.08);
  transition: border-color var(--transition), background var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.field-group input:focus {
  border-color: var(--color-primary);
  background: rgba(232,255,0,.08);
}

.field-group input::placeholder { color: rgba(255,255,255,.3); }

/* ── ALERTS ── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-body);
}

.alert-error {
  background: var(--color-danger-bg);
  color: var(--color-danger-text);
  border-left: 3px solid var(--color-danger);
}

.alert-success {
  background: var(--color-success-bg);
  color: var(--color-success-text);
  border-left: 3px solid var(--color-primary);
}

/* ── BUTTONS ── */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.5rem;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
}

.btn:active { transform: scale(0.97); }

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}

.btn-full { width: 100%; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-hover); }

.btn-start {
  background: var(--btn-start-bg);
  color: var(--btn-start-text);
  flex: 1;
}
.btn-start:hover:not(:disabled) { background: var(--btn-start-bg-hover); }

/* Stop-State */
.btn-start[data-action="stop"] {
  background: var(--btn-stop-bg);
  color: var(--btn-stop-text);
}
.btn-start[data-action="stop"]:hover:not(:disabled) { background: var(--btn-stop-bg-hover); }

.btn-pause {
  background: var(--btn-pause-bg);
  color: var(--btn-pause-text);
  flex: 1;
}
.btn-pause:hover:not(:disabled) { background: var(--btn-pause-bg-hover); }

/* Resume-State */
.btn-pause[data-state="paused"] {
  background: var(--btn-resume-bg);
  color: var(--btn-resume-text);
}
.btn-pause[data-state="paused"]:hover:not(:disabled) { background: var(--btn-resume-bg-hover); }

.btn-icon {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,.7);
  display: flex;
  align-items: center;
  transition: color var(--transition), background var(--transition);
  -webkit-tap-highlight-color: transparent;
}
.btn-icon:hover {
  color: #ffffff;
  background: rgba(255,255,255,.1);
}
.btn-icon svg { width: 20px; height: 20px; }

/* Login-Button Spinner */
.btn-spinner {
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,.35);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* ── HEADER ── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  height: 56px;
  background: var(--header-bg);
  border-bottom: 3px solid var(--color-primary);  /* radblitz Teal-Linie */
}

.header-user {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--header-text);
  letter-spacing: 0.02em;
}

.header-user svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
}

.header-date {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: rgba(255,255,255,.45);
}

/* ── MAIN ── */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem 1rem 2rem;
  max-width: 520px;
  width: 100%;
  margin: 0 auto;
}

/* ── TIMER CARD ── */
.timer-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 2rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  border-top: 3px solid var(--color-primary); /* radblitz Akzentlinie oben */
}

/* Status badge */
.timer-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.85rem;
  border-radius: 0;            /* radblitz – eckig */
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--badge-idle-bg);
  color: var(--badge-idle-text);
  transition: background var(--transition), color var(--transition);
}

.timer-status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: currentColor;
  flex-shrink: 0;
}

.timer-status-badge[data-state="running"] {
  background: var(--badge-running-bg);
  color: var(--badge-running-text);
}
.timer-status-badge[data-state="running"]::before {
  animation: pulse 1.4s ease-in-out infinite;
}

.timer-status-badge[data-state="paused"] {
  background: var(--badge-paused-bg);
  color: var(--badge-paused-text);
}

/* Timer clock */
.timer-display {
  font-size: var(--timer-font-size);
  font-family: var(--font-heading);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--timer-color);
  line-height: 1;
  display: flex;
  align-items: center;
}

.timer-sep {
  color: var(--timer-sep-color);
  margin: 0 0.04em;
  font-weight: 300;
}

/* Meta info */
.timer-meta {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
}

.meta-label {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  font-weight: 600;
}

.meta-value {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
}

/* ── CONTROLS ── */
.controls {
  display: flex;
  gap: 0.625rem;
}

.controls .btn {
  padding: 1rem 1rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  flex-direction: column;
  gap: 0.4rem;
  min-height: 80px;
}

.btn-icon-svg {
  width: 26px;
  height: 26px;
  pointer-events: none;
}

/* ── LOADING OVERLAY ── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(90,0,100,.85);
  backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 100;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(232,255,0,.25);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── ANIMATIONS ── */
@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.8); }
}

/* ── RESPONSIVE ── */
@media (min-width: 480px) {
  .controls .btn {
    min-height: 88px;
    font-size: 0.85rem;
  }
  .app-main { padding: 2rem 1.5rem 2.5rem; }
}

@media (min-width: 640px) {
  .timer-card { padding: 2.5rem 2rem 2rem; }
}

/* ── HISTORY TABLE ── gleicher Stil wie .timer-card ── */
.history-section {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border-top: 3px solid var(--color-primary);
  overflow: hidden;
}

.history-title {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  padding: 1rem 1rem 0.6rem;
}

.history-table-wrap {
  overflow-x: auto;
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  min-width: 360px;
}

.history-table thead th {
  padding: 0.5rem 1rem;
  text-align: left;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.history-table tbody td {
  padding: 0.65rem 1rem;
  color: var(--color-text);
  border-bottom: 1px solid rgba(255,255,255,.06);
  white-space: nowrap;
  font-family: var(--font-body);
}

.history-table tbody tr:last-child td {
  border-bottom: none;
}

.history-table tbody tr:hover {
  background: rgba(255,255,255,.05);
}

.history-table tbody td:last-child {
  font-weight: 700;
  color: var(--color-primary);
}

.history-empty td {
  text-align: center;
  color: var(--color-text-muted);
  padding: 2rem 1rem;
  font-style: italic;
  font-size: 0.85rem;
}