/* ========== LAYOUT & BACKGROUND ========== */
/*
   Styles for the main front page layout and background.
   - Sets up full viewport height and disables scrolling.
   - Background image and color are defined here.
*/
html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

body {
    background-image: url(../images/brick-background.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: top center;
}

/* ========== HEADER ========== */
/*
   Header styles are now moved to global.css for consistency across pages.
   Only page-specific header overrides should be placed here.
*/

header h1 {
    font-size: 5rem;
    font-weight: 400;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
    margin: 0;
}

.Source {
    width: auto;
    max-height: 100%;
}

/* ========== MAIN CONTENT ========== */
main {
    flex-grow: 1;
    width: 100%;
    height: calc(100vh - 193px);
    min-height: 0; /* ✅ ADDED: Prevent flex children from causing overflow */
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    overflow: hidden;
    padding: 20px;
    gap: 40px;
}

/* ========== SIGN CONTAINERS ========== */
.timer-sign, .text-signs, .student-sign {
    width: 30%;
}

.text-signs {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
    max-height: 100%;
    flex-shrink: 0;
}

.text-signs img {
    height: 48%;
    width: auto;
    object-fit: contain;
    margin: 1%;
}

.student-sign, .timer-sign {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.student-sign img, .timer-sign img {
    max-height: 100%;
    width: auto;
    object-fit: contain;
}

/* ========== FOOTER (HIDDEN) ========== */
footer {
    display: none;
}

/* ========== TIMER STYLES ========== */
#door-timer {
    font-size: 2rem;
    text-align: center;
    text-shadow: 0 0 10px black;
    padding: 10px;
    border-radius: 15px;
    background-color: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 20px rgb(0, 0, 0);
    border: 2px solid rgba(255, 255, 255, 0.05);
    max-width: 100%;
    line-height: 1.5;
}

/* ========== RESPONSIVE FLEX DIRECTION ========== */
/* Switch to column layout when viewport is taller than it is wide */
@media (max-aspect-ratio: 1/1) {
    main {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        height: calc(100vh - 193px); /* header height */
        min-height: 0;
        padding: 8px 0;
        overflow: hidden;
    }

    .timer-sign,
    .text-signs,
    .student-sign {
        flex: 1 1 0;
        min-height: 0;
        min-width: 0;
        width: 100% !important;
        max-width: 100vw;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .text-signs {
        flex: 1.1 1 0;
        order: 1; /* Show text-signs first */
    }

    .timer-sign {
        flex: 0.8 1 0;
        order: 2; /* Show timer-sign last (at the bottom) */
    }

    .student-sign {
        display: none;
    }

    #door-timer {
        font-size: 1.5rem;
        padding: 10px;
        max-width: 95vw;
        max-height: 18vh;
        box-sizing: border-box;
    }

    .text-signs img {
        max-width: 90vw;
        max-height: 30vh;
        width: auto;
        height: auto;
        object-fit: contain;
        margin: 4px 0;  
        flex: 1 1 0;
    }
        .text-signs, .timer-sign, .welcome-sign, .door-sign {
        box-sizing: border-box;
    }
        .welcome-sign, .door-sign {
        box-sizing: border-box;
        display: inline-block;
    }
}