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

:root {
    --c: #39ff14;
    --cd: #1a7a09;
    --cb: #0d3d04;
    --cs: #0a2903;
    --ca: #7fff6a;
    --r: #ff3333;
    --y: #ffcc00;
    --w: #ccffcc;
    --bg: #050f05;
}

html, body {
    height: 100%;
    background: var(--bg);
    color: var(--c);
    font-family: 'Courier Prime', monospace;
    overflow: hidden
}

#root {
    height: 100vh;
    display: flex;
    flex-direction: column
}

/* ── TOPBAR ── */
#topbar {
    background: var(--cs);
    border-bottom: 1px solid var(--cd);
    padding: 6px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

#logo {
    font-family: 'VT323', monospace;
    font-size: 26px;
    color: var(--c);
    letter-spacing: 3px;
    flex-shrink: 0;
}

#addr-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
    position: relative;
}

#addr-label {
    color: var(--cd);
    font-size: 12px;
    white-space: nowrap;
    flex-shrink: 0;
}

#addr-val {
    color: var(--ca);
    font-size: 13px;
    background: #0a1a0a;
    border: 1px solid var(--cd);
    padding: 3px 10px;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
    letter-spacing: 1px
}

    #addr-val:hover {
        border-color: var(--c)
    }

#top-btns {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-shrink: 0;
}

.tbtn {
    background: #0a1a0a;
    border: 1px solid var(--cd);
    color: var(--cd);
    padding: 4px 12px;
    cursor: pointer;
    font-family: 'Courier Prime', monospace;
    font-size: 11px;
    letter-spacing: 1px;
    white-space: nowrap
}

    .tbtn:hover {
        border-color: var(--c);
        color: var(--c)
    }

#timer-chip {
    background: var(--cb);
    border: 1px solid var(--cd);
    padding: 4px 10px;
    font-size: 13px;
    color: var(--c);
    letter-spacing: 2px;
    white-space: nowrap;
    flex-shrink: 0;
}

    #timer-chip.warn {
        color: var(--r);
        border-color: var(--r)
    }

#inbox-toggle {
    display: none;
    background: #0a1a0a;
    border: 1px solid var(--cd);
    color: var(--cd);
    padding: 4px 10px;
    cursor: pointer;
    font-family: 'Courier Prime', monospace;
    font-size: 12px;
    letter-spacing: 1px;
    white-space: nowrap;
    flex-shrink: 0;
}

    #inbox-toggle:hover {
        border-color: var(--c);
        color: var(--c)
    }

/* ── BODY ── */
#body {
    display: flex;
    flex: 1;
    min-height: 0;
    position: relative;
    overflow: hidden;
}

/* ── SIDEBAR ── */
#sidebar {
    width: 280px;
    flex-shrink: 0;
    background: var(--cs);
    border-right: 1px solid var(--cd);
    display: flex;
    flex-direction: column;
    height: 100%;
}

#sb-head {
    padding: 8px 12px;
    border-bottom: 1px solid var(--cb);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0
}

    #sb-head span {
        font-size: 11px;
        color: var(--cd);
        letter-spacing: 1px
    }

#inbox-count {
    background: var(--c);
    color: #000;
    font-size: 10px;
    padding: 1px 7px;
    font-weight: 700
}

#mail-list {
    flex: 1;
    overflow-y: auto
}

    #mail-list::-webkit-scrollbar {
        width: 4px
    }

    #mail-list::-webkit-scrollbar-track {
        background: var(--cs)
    }

    #mail-list::-webkit-scrollbar-thumb {
        background: var(--cd)
    }

.mitem {
    padding: 11px 12px;
    border-bottom: 1px solid var(--cb);
    cursor: pointer;
    border-left: 3px solid transparent
}

    .mitem:hover {
        background: var(--cb);
        border-left-color: var(--cd)
    }

    .mitem.sel {
        background: #0d2d0d;
        border-left-color: var(--c)
    }

    .mitem.unread .mfrom {
        color: var(--ca)
    }

    .mitem.unread .msubj {
        color: var(--c)
    }

.mfrom {
    font-size: 11px;
    color: var(--cd);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    margin-bottom: 2px
}

.msubj {
    font-size: 12px;
    color: var(--w);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

.mtime {
    font-size: 10px;
    color: #1d5c1d;
    margin-top: 3px
}

.udot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: var(--c);
    border-radius: 50%;
    margin-right: 5px;
    vertical-align: middle
}

/* ── VIEWER ── */
#viewer {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    overflow: hidden
}

#vh {
    background: var(--cs);
    border-bottom: 1px solid var(--cd);
    padding: 8px 16px;
    display: flex;
    gap: 16px;
    align-items: center;
    flex-shrink: 0
}

#vh-subj {
    font-size: 12px;
    color: var(--cd);
    letter-spacing: 1px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1
}

#dl-btn {
    background: #0a1a0a;
    border: 1px solid var(--cd);
    color: var(--cd);
    padding: 3px 12px;
    cursor: pointer;
    font-family: 'Courier Prime', monospace;
    font-size: 11px;
    letter-spacing: 1px;
    white-space: nowrap;
    display: none
}

    #dl-btn:hover {
        border-color: var(--c);
        color: var(--c)
    }

#vm {
    padding: 12px 18px;
    border-bottom: 1px solid var(--cb);
    font-size: 12px;
    line-height: 2;
    flex-shrink: 0;
    display: none
}

.mr {
    display: flex;
    gap: 8px;
    align-items: baseline
}

.ml {
    color: var(--cd);
    width: 56px;
    flex-shrink: 0;
    font-size: 11px
}

.mv {
    color: var(--ca);
    word-break: break-all
}

#vb {
    flex: 1;
    min-height: 0;
    padding: 18px;
    font-size: 13px;
    line-height: 1.8;
    color: #88dd88;
    white-space: pre-wrap;
    overflow-y: auto;
    display: none;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain
}

    #vb::-webkit-scrollbar {
        width: 4px
    }

    #vb::-webkit-scrollbar-track {
        background: var(--bg)
    }

    #vb::-webkit-scrollbar-thumb {
        background: var(--cd)
    }

#empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: var(--cd);
    font-size: 13px;
    gap: 10px;
    padding: 40px
}

    #empty .bigchar {
        font-family: 'VT323', monospace;
        font-size: 100px;
        color: var(--cb);
        line-height: 1
    }

/* ── STATUSBAR ── */
#statusbar {
    background: #020902;
    border-top: 1px solid var(--cb);
    padding: 5px 16px;
    display: flex;
    gap: 20px;
    align-items: center;
    font-size: 10px;
    color: #1d5c1d;
    flex-shrink: 0
}

    #statusbar b {
        color: var(--cd)
    }

#logline {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #1a5c1a
}

    #logline::before {
        content: '> '
    }

#no-mail {
    padding: 24px;
    text-align: center;
    color: var(--cd);
    font-size: 12px;
    line-height: 2.2
}

/* ── ANIMAZIONI ── */
.blink {
    animation: blink 1s step-end infinite
}

@keyframes blink {
    50% {
        opacity: 0
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite
}

@keyframes pulse {
    0%, 100% {
        opacity: 1
    }

    50% {
        opacity: 0.3
    }
}

/* ── CUSTOM MAILBOX ── */
#custom-mail-box {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    display: flex;
    gap: 8px;
    background: #111;
    border: 1px solid var(--c);
    padding: 10px;
    border-radius: 6px;
    box-shadow: 0 0 10px var(--c);
    z-index: 999;
    width: max-content;
    max-width: min(380px, 90vw);
}

#custom-mail-input {
    background: black;
    color: var(--c);
    border: 1px solid var(--c);
    padding: 8px;
    outline: none;
    font-family: 'VT323', monospace;
    font-size: 20px;
    flex: 1;
    min-width: 0;
}

#custom-mail-btn {
    background: var(--c);
    color: black;
    border: none;
    padding: 8px 14px;
    cursor: pointer;
    font-weight: bold;
    flex-shrink: 0;
}

/* ── MOBILE ≤ 640px ── */
@media (max-width: 640px) {

    #inbox-toggle {
        display: block;
    }

    /* Topbar: 2 righe
       Riga 1: logo | inbox-toggle | top-btns
       Riga 2: addr-wrap (full width)           */
    #topbar {
        display: grid;
        grid-template-columns: auto 1fr auto;
        grid-template-rows: auto auto;
        grid-template-areas:
            "logo toggle btns"
            "addr addr addr";
        gap: 6px 8px;
        padding: 6px 10px;
        align-items: center;
    }

    #logo {
        grid-area: logo;
        font-size: 20px;
        letter-spacing: 1px;
    }

    #inbox-toggle {
        grid-area: toggle;
        justify-self: start;
    }

    #top-btns {
        grid-area: btns;
        gap: 4px;
        justify-self: end;
    }

    #addr-wrap {
        grid-area: addr;
        width: 100%;
        min-width: 0;
    }

    /* Bottoni: solo simbolo, testo nascosto */
    .btn-label {
        display: none;
    }

    .tbtn {
        padding: 4px 8px;
        font-size: 13px;
        letter-spacing: 0;
    }

    #timer-chip {
        padding: 4px 7px;
        font-size: 12px;
        letter-spacing: 1px;
    }

    /* Sidebar a scomparsa */
    #sidebar {
        position: absolute;
        top: 0;
        left: 0;
        width: 85%;
        max-width: 320px;
        height: 100%;
        z-index: 100;
        transition: transform 0.22s ease;
    }

        #sidebar.hidden {
            transform: translateX(-110%);
        }

    #viewer {
        width: 100%;
    }
}

/* ── MOBILE PICCOLO ≤ 400px ── */
@media (max-width: 400px) {
    #logo {
        font-size: 17px;
    }

    #addr-val {
        font-size: 11px;
    }
}

/*
    LED LAMPEGGIANTE QUANDO ARRIVA UNA EMAIL

*/

#logo-led {
    display: inline-block;
    transition: all 0.2s ease;
}

    #logo-led.flash {
        animation: logoFlash 0.4s linear infinite;
    }

@keyframes logoFlash {

    0% {
        opacity: 1;
        text-shadow: 0 0 5px #00ff00;
    }

    50% {
        opacity: 0.2;
        text-shadow: 0 0 20px #00ff00;
    }

    100% {
        opacity: 1;
        text-shadow: 0 0 5px #00ff00;
    }
}

@media (max-width: 700px) {

    #inbox-toggle {
        font-size: 0;
    }

        #inbox-toggle::before {
            content: "☰";
            font-size: 14px;
        }
}

@media (max-width: 700px) {

    #logo {
        font-size: 12px;
    }
}