:root {
    --bg: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text: #0f172a;
    --text-light: #64748b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --success: #16a34a;
    --radius: 12px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 30px 16px 50px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    box-sizing: border-box;
}

.container {
    width: 100%;
    max-width: 460px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1;
}

/* Targeta de Login / Autenticació */
.auth-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    margin-top: 40px;
}

.auth-icon {
    width: 56px;
    height: 56px;
    background: #eff6ff;
    color: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px auto;
}

.auth-card h2 {
    font-size: 1.4rem;
    margin: 0 0 8px 0;
    color: var(--text);
    font-weight: 700;
}

.auth-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0 0 24px 0;
    line-height: 1.5;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
}

.auth-buttons {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.secondary-outline {
    flex: 1;
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text);
    padding: 12px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.secondary-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: #f8fafc;
}

/* Barra d'estat i Capçalera App */
.app-layout {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--surface);
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.status-bar {
    font-size: 0.82rem;
    color: var(--success);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.15);
}

.header-actions {
    display: flex;
    gap: 6px;
}

.icon-text-btn {
    background: transparent;
    border: 1px solid var(--border);
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
}

.icon-text-btn:hover {
    background: var(--bg);
    color: var(--text);
    border-color: #cbd5e1;
}

.danger-text:hover {
    color: #dc2626 !important;
    border-color: #fca5a5 !important;
    background: #fef2f2 !important;
}

/* Navegació de panells (pestanyes) */
.panel-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    background: #e2e8f0;
    padding: 4px;
    border-radius: var(--radius);
}

.nav-btn {
    background: transparent;
    border: none;
    padding: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.nav-btn.active {
    background: white;
    color: var(--accent);
    box-shadow: var(--shadow);
}

/* Targeta / Formularis */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: var(--shadow);
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-icon svg {
    position: absolute;
    left: 12px;
    color: var(--text-light);
    pointer-events: none;
}

.input-with-icon input {
    padding-left: 38px !important;
}

label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
}

input[type="text"], 
input[type="email"],
input[type="password"],
input[type="datetime-local"], 
select, 
textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    background: white;
    color: var(--text);
    box-sizing: border-box;
    outline: none;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

textarea {
    resize: vertical;
    min-height: 75px;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.checkbox-field {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
    cursor: pointer;
    background: #f8fafc;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1.5px solid var(--border);
}

.checkbox-field input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent);
}

.checkbox-field label {
    font-size: 0.95rem;
    text-transform: none;
    letter-spacing: normal;
    color: var(--text);
    cursor: pointer;
    margin: 0;
}

.row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

button.primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2);
    margin-top: 4px;
}

button.primary:hover {
    background: var(--accent-hover);
}

button.primary:active {
    transform: scale(0.99);
}

/* Footer */
footer {
    margin-top: 40px;
    font-size: 0.82rem;
    color: var(--text-light);
    text-align: center;
    border-top: 1px solid var(--border);
    padding-top: 20px;
    width: 100%;
    max-width: 460px;
}

footer a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

footer a:hover {
    text-decoration: underline;
}

.hidden { display: none !important; }

/* Notificacions Toast de colors */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    padding: 12px 24px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    text-align: center;
    max-width: 90%;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translate(-50%, -15px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

.toast.success {
    background-color: #f0fdf4;
    color: #166534;
    border: 1.5px solid #bbf7d0;
}

.toast.error {
    background-color: #fef2f2;
    color: #991b1b;
    border: 1.5px solid #fecaca;
}