@import url("https://fonts.googleapis.com/css2?family=Sora:wght@300;400;500;600;700&family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,600;9..144,700&display=swap");

/* ========================================
   TEMA AZZURRA - Design Tokens
   Ocean-inspired, editorial layout
   Font: Sora (UI) + Fraunces (display)
   ======================================== */

:root {
    /* Backgrounds */
    --color-bg: #fafcff;
    --color-bg-secondary: #f0f5fa;
    --color-bg-tertiary: #e6eef5;
    --color-bg-alt: #edf2f7;

    /* Text */
    --color-text: #1a2332;
    --color-text-muted: #5a6a7e;
    --color-text-light: #8896a6;

    /* Primary — deep ocean blue */
    --color-primary: #0f5ea8;
    --color-primary-hover: #0a4a87;
    --color-primary-light: #e8f1fb;

    /* States */
    --color-success: #0d9668;
    --color-success-bg: #d1f5e8;
    --color-warning: #d97a0a;
    --color-warning-bg: #fef3d5;
    --color-danger: #d63031;
    --color-danger-bg: #fde8e8;
    --color-info: #2b7de9;
    --color-info-bg: #dceafb;

    /* Borders */
    --color-border: #d4dee8;
    --color-border-light: #e8eef4;

    /* Typography — dual font system */
    --font-family: 'Sora', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.0625rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.75rem;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Layout */
    --container-max: 1280px;
    --navbar-height: 70px;
    --sidebar-width: 260px;
    --topbar-height: 60px;

    /* Sidebar — deep navy */
    --color-bg-sidebar: #0d1b2e;
    --color-text-sidebar: rgba(255, 255, 255, 0.72);

    /* Accent — warm sand/gold */
    --color-accent: #d4943a;

    /* Radius — generously rounded */
    --radius: 8px;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;

    /* Shadows — layered, blue-tinted */
    --shadow-sm: 0 1px 3px rgba(15, 94, 168, 0.06);
    --shadow-md: 0 4px 12px rgba(15, 94, 168, 0.08);
    --shadow-lg: 0 8px 24px rgba(15, 94, 168, 0.10);
    --shadow-xl: 0 16px 40px rgba(15, 94, 168, 0.12);

    /* Transitions */
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-tooltip: 1060;
}

/* ========================================
   BASE RESETS & GLOBALS
   ======================================== */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.65;
    letter-spacing: -0.01em;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

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

a:hover {
    color: var(--color-primary-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.bg-gradient {
    display: none; /* Azzurra non usa il bg-gradient globale del default */
}

/* Messages */
.messages-container {
    max-width: var(--container-max);
    margin: var(--spacing-md) auto;
    padding: 0 var(--spacing-xl);
}

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-left: 4px solid transparent;
}

.alert-success {
    background: var(--color-success-bg);
    color: #065f46;
    border-left-color: var(--color-success);
}

.alert-error,
.alert-danger {
    background: var(--color-danger-bg);
    color: #991b1b;
    border-left-color: var(--color-danger);
}

.alert-warning {
    background: var(--color-warning-bg);
    color: #92400e;
    border-left-color: var(--color-warning);
}

.alert-info {
    background: var(--color-info-bg);
    color: #1e40af;
    border-left-color: var(--color-info);
}

/* ========================================
   BUTTONS (global)
   ======================================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: #fff;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.01em;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--color-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
}