/* ================================================
   MI SYSTEM - GLOBAL STYLES
   Estils compartits per totes les pàgines
   ================================================ */

/* Variables CSS */
:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #FAFAFA;
    --text-primary: #0F0F0F;
    --text-secondary: #737373;
    --text-tertiary: #A3A3A3;
    --border-black: #000000;
    --accent-coral: #FF6B6B;
    --accent-orange: #FF8C3A;
    --space-xs: 4px;
    --space-s: 12px;
    --space-m: 24px;
    --space-l: 40px;
    --space-xl: 56px;
    --space-xxl: 80px;
}

/* Reset global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Body base */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
}

/* ================================================
   NAVEGACIÓ
   ================================================ */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-black);
    padding: 16px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 9999;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.nav-logo {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 20px;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.nav-buttons {
    display: flex;
    gap: 0;
}

.nav-btn {
    padding: 10px 20px;
    border: 1px solid var(--border-black);
    text-decoration: none;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    cursor: pointer;
    display: inline-block;
}

.nav-btn:first-child {
    border-right: none;
}

.nav-btn-inactive {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.nav-btn-inactive:hover {
    background: var(--bg-secondary);
}

.nav-btn-active {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.nav-btn-logout {
    background: transparent;
    color: var(--accent-coral);
    border: 1px solid var(--accent-coral);
    margin-left: auto;
    cursor: pointer;
    transition: all 0.2s;
}

.nav-btn-logout:hover {
    background: var(--accent-coral);
    color: var(--bg-primary);
}

/* ================================================
   CONTAINERS I LAYOUT
   ================================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    margin-bottom: var(--space-xl);
    text-align: center;
}

h1 {
    font-family: 'Newsreader', Georgia, serif;
    font-size: 56px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    letter-spacing: -1px;
    line-height: 1.1;
}

.date {
    color: var(--text-tertiary);
    font-size: 14px;
    font-weight: 400;
}

/* ================================================
   UTILITATS
   ================================================ */
.hidden {
    display: none;
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 767px) {
    .main-nav {
        padding: 16px 20px;
    }

    .nav-logo {
        font-size: 18px;
    }

    .nav-btn {
        padding: 10px 16px;
        font-size: 13px;
    }

    h1 {
        font-size: 32px;
        letter-spacing: -0.5px;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    h1 {
        font-size: 40px;
    }
}