/* ============================================================
   Radatz Rezeptplattform – Haupt-Stylesheet
   ============================================================ */

/* ---- Custom Properties ----------------------------------- */
:root {
    --color-primary:       #7e1225;
    --color-primary-dark:  #5c0d1a;
    --color-primary-light: #f9ecee;
    --color-text:          #1a1a1a;
    --color-text-muted:    #666;
    --color-text-light:    #999;
    --color-border:        #ddd;
    --color-border-light:  #eee;
    --color-bg:            #fff;
    --color-bg-alt:        #f5f5f5;
    --color-bg-dark:       #2a2a2a;
    --color-warning-bg:    #fff8f8;
    --color-warning-border:#e0a0a8;
    --color-success:       #2e7d32;
    --color-error:         #c62828;
    --font-family:         'Roboto', sans-serif;
    --font-mono:           'Roboto Mono', monospace;
    --border-radius:       4px;
    --border-radius-lg:    8px;
    --shadow-card:         0 2px 8px rgba(0,0,0,0.10);
    --shadow-card-hover:   0 4px 16px rgba(0,0,0,0.15);
    --transition:          0.18s ease;
    --header-height:       56px;
    --container-max:       1400px;
    --sidebar-width:       260px;
}

/* ---- Reset ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg-alt);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font: inherit; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

/* ---- Typography ------------------------------------------ */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.375rem; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }

/* ---- Layout Container ------------------------------------ */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1rem;
}
@media (min-width: 768px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

/* ---- Site Header ----------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-primary);
    height: var(--header-height);
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.site-header__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
@media (min-width: 768px) { .site-header__inner { padding: 0 1.5rem; } }
.site-header__brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #fff;
    flex-shrink: 0;
}
.site-header__logo { height: 28px; width: auto; }
.site-header__title {
    font-size: 1.125rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.02em;
}
.site-header__nav { display: flex; align-items: center; gap: 0.5rem; }

/* ---- Site Footer ----------------------------------------- */
.site-footer {
    background: var(--color-bg-dark);
    color: rgba(255,255,255,0.55);
    font-size: 0.8125rem;
    padding: 1rem 0;
    margin-top: 3rem;
}
.site-footer__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1rem;
    text-align: center;
}

/* ---- Buttons --------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    border: 2px solid transparent;
    transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
    white-space: nowrap;
    line-height: 1.4;
}
.btn svg { width: 1em; height: 1em; flex-shrink: 0; }
.btn--primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn--primary:hover, .btn--primary:focus-visible {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}
.btn--secondary {
    background: #fff;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn--secondary:hover { background: var(--color-bg-alt); }
.btn--danger {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.btn--danger:hover { background: var(--color-primary-dark); }
.btn--outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.6);
}
.btn--outline-white:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn--sm { padding: 0.35rem 0.75rem; font-size: 0.8125rem; }
.btn--lg { padding: 0.65rem 1.5rem; font-size: 1rem; }
.btn:disabled { opacity: 0.5; pointer-events: none; }

/* ---- Chips / Tags ---------------------------------------- */
.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.5rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1.4;
}
.chip--cat    { background: #f0f0f0; color: var(--color-text-muted); }
.chip--season { background: var(--color-primary-light); color: var(--color-primary-dark); }
.chip--dept   { background: var(--color-bg-dark); color: #fff; font-size: 0.7rem; padding: 0.1rem 0.5rem; }

/* ---- Allergen Badges ------------------------------------- */
.allergen-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: var(--border-radius);
    font-size: 0.8125rem;
    font-weight: 700;
    border: 1.5px solid;
    transition: background var(--transition), color var(--transition);
}
.allergen-badge--active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.allergen-badge--inactive {
    background: #f0f0f0;
    color: #bbb;
    border-color: #e0e0e0;
}

/* ---- Form Controls --------------------------------------- */
.form-group { margin-bottom: 1rem; }
.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--color-text);
}
.form-label--required::after {
    content: ' *';
    color: var(--color-primary);
}
.form-control {
    width: 100%;
    padding: 0.45rem 0.7rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--border-radius);
    font: inherit;
    font-size: 0.9rem;
    color: var(--color-text);
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
}
.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(126,18,37,0.12);
}
.form-control::placeholder { color: var(--color-text-light); }
textarea.form-control { resize: vertical; min-height: 80px; }
select.form-control { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.6rem center; background-size: 1rem; padding-right: 2rem; }
.form-hint { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 0.25rem; }
.form-error { font-size: 0.8rem; color: var(--color-primary); margin-top: 0.25rem; }
.form-control.is-invalid { border-color: var(--color-primary); }

/* ---- Sections -------------------------------------------- */
.section {
    background: #fff;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
    margin-bottom: 1.5rem;
    overflow: hidden;
}
.section__header {
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.section__title {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-primary);
}
.section__body { padding: 1.25rem; }

/* ---- Toast-Benachrichtigungen ---------------------------- */
#toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}
.toast {
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 500;
    color: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    animation: toast-in 0.25s ease;
    pointer-events: auto;
    max-width: 340px;
}
.toast--success { background: var(--color-success); }
.toast--error   { background: var(--color-error); }
.toast--info    { background: var(--color-bg-dark); }
@keyframes toast-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---- Spinner / Loading ----------------------------------- */
.spinner {
    display: inline-block;
    width: 1.25rem;
    height: 1.25rem;
    border: 2.5px solid rgba(126,18,37,0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-overlay {
    position: relative;
    min-height: 60px;
}
.loading-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* ---- Utility --------------------------------------------- */
.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; }
.text-muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.fw-bold { font-weight: 700; }
.fw-medium { font-weight: 500; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.flex-wrap { flex-wrap: wrap; }