/* =============================================
   CONVENIENCE STORE SYSTEM — LOGIN
   Theme: Warm Professional Retail
   Font: DM Sans (body) + DM Serif Display (brand)
============================================= */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=DM+Serif+Display&display=swap');

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

:root {
    --brand:        #1a3a2a;   /* deep store green */
    --brand-mid:    #2d5a40;
    --brand-light:  #3d7a56;
    --accent:       #e8a838;   /* warm amber */
    --accent-hover: #d4942a;

    --bg:           #f5f0e8;   /* warm cream */
    --surface:      #ffffff;
    --surface-alt:  #faf7f2;
    --border:       #ddd5c4;

    --text-primary: #1e2d24;
    --text-muted:   #6b7a6e;
    --text-light:   #9aab9e;

    --danger:       #c0392b;
    --success:      #2d7a4f;

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

    --shadow-sm: 0 1px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
}

body {
    font-family: 'DM Sans', system-ui, sans-serif;
    background-color: var(--bg);
    background-image:
        radial-gradient(ellipse at 20% 50%, rgba(45,90,64,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(232,168,56,0.06) 0%, transparent 50%);
    color: var(--text-primary);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* ---- Card Wrapper ---- */
.wrapper {
    width: min(480px, 94vw);
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

/* ---- Header Banner ---- */
.wrapper::before {
    content: '';
    display: block;
    height: 6px;
    background: linear-gradient(90deg, var(--brand) 0%, var(--brand-light) 50%, var(--accent) 100%);
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 2.5rem 2.5rem 2rem;
}

/* ---- Brand Header ---- */
form h2 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.9rem;
    font-weight: 400;
    color: var(--brand);
    text-align: center;
    letter-spacing: -0.01em;
    line-height: 1.2;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 0.25rem;
}

form h2 span {
    display: block;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 0.3rem;
}

/* ---- Labels ---- */
form label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.4rem;
}

/* ---- Inputs ---- */
form input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--surface-alt);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

form input:focus {
    border-color: var(--brand-light);
    box-shadow: 0 0 0 3px rgba(61,122,86,0.12);
    background: #fff;
}

form input::placeholder {
    color: var(--text-light);
}

/* ---- Submit Button ---- */
form button[type="submit"],
form button:not([type="button"]) {
    width: 100%;
    padding: 0.85rem;
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-light) 100%);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    letter-spacing: 0.03em;
    transition: opacity 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 12px rgba(26,58,42,0.25);
    margin-top: 0.25rem;
}

form button[type="submit"]:hover,
form button:not([type="button"]):hover {
    opacity: 0.92;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(26,58,42,0.30);
}

form button[type="submit"]:active {
    transform: translateY(0);
}

/* ---- Footer Alt Text ---- */
.alt {
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-muted);
    padding-bottom: 0.5rem;
}

/* ---- Input field wrapper if needed ---- */
.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}