/*
 * main.css
 * Variables, reset i estils globals de PennyKeeper.
 * Tots els components hereten d'aquí.
 */

/* ── Variables ─────────────────────────────────────────────── */
:root {
    --color-dark:    #714329;
    --color-mid:     #B08463;
    --color-warm:    #B9937B;
    --color-light:   #D0B9A7;
    --color-muted:   #B5A192;

    --color-bg:      #F7F2EE;
    --color-surface: #FFFFFF;
    --color-border:  #E4D9D0;

    --color-text:        #2C1A0E;
    --color-text-muted:  #7A6558;

    --color-success: #4A7C59;
    --color-danger:  #8B3A3A;
    --color-warning: #A07030;

    --radius-sm:  6px;
    --radius-md:  12px;
    --radius-lg:  20px;

    --shadow-sm: 0 1px 3px rgba(113, 67, 41, 0.08);
    --shadow-md: 0 4px 16px rgba(113, 67, 41, 0.12);
    --shadow-lg: 0 8px 32px rgba(113, 67, 41, 0.16);

    --font-display: 'Playfair Display', Georgia, serif;
    --font-body:    'Inter', system-ui, sans-serif;

    --transition: 0.18s ease;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ── Tipografia ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.25;
    color: var(--color-dark);
}

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

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

/* ── Botons ─────────────────────────────────────────────────── */
.btn-primary-pk {
    background-color: var(--color-dark);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.6rem 1.4rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition), transform var(--transition);
}

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

.btn-primary-pk:active {
    transform: scale(0.98);
}

.btn-primary-pk:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-outline-pk {
    background-color: transparent;
    color: var(--color-dark);
    border: 1.5px solid var(--color-dark);
    border-radius: var(--radius-sm);
    padding: 0.55rem 1.35rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition), color var(--transition);
}

.btn-outline-pk:hover {
    background-color: var(--color-dark);
    color: #fff;
}

/* ── Formularis ─────────────────────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.form-label {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-input {
    width: 100%;
    padding: 0.65rem 0.9rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-surface);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    appearance: none;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-mid);
    box-shadow: 0 0 0 3px rgba(176, 132, 99, 0.18);
}

.form-input.is-error {
    border-color: var(--color-danger);
}

/* ── Cards ──────────────────────────────────────────────────── */
.card-pk {
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
}

/* ── Alertes / feedback ─────────────────────────────────────── */
.alert-pk {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 500;
    display: none;
}

.alert-pk.show {
    display: block;
}

.alert-pk--error {
    background-color: #F5E8E8;
    color: var(--color-danger);
    border: 1px solid #E0B8B8;
}

.alert-pk--success {
    background-color: #E8F2EC;
    color: var(--color-success);
    border: 1px solid #B8D8C4;
}

/* ── Pàgines d'autenticació ─────────────────────────────────── */
.auth-wrapper {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.auth-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
}

.auth-panel--left {
    background: linear-gradient(155deg, var(--color-dark) 0%, var(--color-mid) 100%);
    color: #fff;
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
}

.auth-panel--left h1 {
    font-family: var(--font-display);
    font-size: 2.8rem;
    color: #fff;
    font-weight: 700;
}

.auth-panel--left p {
    font-size: 1.05rem;
    opacity: 0.82;
    max-width: 320px;
    line-height: 1.7;
}

.auth-panel--right {
    background-color: var(--color-surface);
}

.auth-form-box {
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.auth-form-box h2 {
    font-size: 1.75rem;
}

.auth-form-box .subtitle {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-top: 0.3rem;
}

/* ── Logo mark ──────────────────────────────────────────────── */
.logo-mark {
    width: 56px;
    height: 56px;
    background-color: rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
    .auth-wrapper {
        grid-template-columns: 1fr;
    }

    .auth-panel--left {
        padding: 2rem 1.5rem;
        min-height: auto;
    }

    .auth-panel--left h1 {
        font-size: 2rem;
    }

    .auth-panel--right {
        padding: 2rem 1.5rem;
    }
}