/* base.css — variabili colore, tipografia, reset (brief 3.3) */

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-bg: #f8fafc;
    --color-surface: #ffffff;
    --color-text: #111827;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-border-accent: #93c5fd;
    --color-success: #16a34a;
    --color-error: #dc2626;
    --color-warning: #ea580c;

    --radius: 10px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

/* --- Flash messages: toast sovrapposto, non spinge il layout --- */
.flash-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.flash {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    box-shadow: var(--shadow);
    opacity: 1;
    transform: translateX(0);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.flash.flash-hide {
    opacity: 0;
    transform: translateX(24px);
}

@media (max-width: 600px) {
    .flash-container {
        left: 16px;
        right: 16px;
        max-width: none;
    }
}

.flash-error {
    background-color: #fef2f2;
    color: var(--color-error);
    border: 1px solid #fecaca;
}

.flash-success {
    background-color: #f0fdf4;
    color: var(--color-success);
    border: 1px solid #bbf7d0;
}

.flash-info {
    background-color: #eff6ff;
    color: var(--color-primary-dark);
    border: 1px solid #bfdbfe;
}

/* --- Auth pages layout --- */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.auth-card {
    background-color: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
    width: 100%;
    max-width: 380px;
}

.auth-card h1 {
    font-size: 22px;
    margin: 0 0 24px;
    text-align: center;
}

.field {
    margin-bottom: 16px;
}

.field label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text-muted);
}

.field input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
}

.field select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    background-color: #ffffff;
}

.field textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    resize: vertical;
    min-height: 80px;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 11px 16px;
    background-color: var(--color-primary);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
}

.btn:hover {
    background-color: var(--color-primary-dark);
}

.auth-hint {
    font-size: 13px;
    color: var(--color-text-muted);
    text-align: center;
    margin-top: 16px;
}

/* --- Login split-screen (form a sinistra, pannello brand a destra) --- */
.auth-split {
    min-height: 100vh;
    display: flex;
}

.auth-split-left {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background-color: var(--color-surface);
}

.auth-card--split {
    box-shadow: none;
    padding: 0;
    max-width: 360px;
}

.auth-logo {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 32px;
}

.auth-card--split h1 {
    text-align: left;
    font-size: 26px;
    margin-bottom: 28px;
}

.auth-split-right {
    flex: 1;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 80% 85%, rgba(234, 145, 40, 0.35), transparent 45%),
        linear-gradient(135deg, #0f172a 0%, #1e3a5f 55%, #0f172a 100%);
}

.auth-split-right::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: repeating-linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.03) 0,
        rgba(255, 255, 255, 0.03) 1px,
        transparent 1px,
        transparent 28px
    );
}

.auth-split-right-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-split-brand {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 2px;
    color: #ffffff;
    text-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

@media (max-width: 768px) {
    .auth-split-right {
        display: none;
    }
    .auth-split-left {
        flex: none;
        width: 100%;
    }
}