/* --- 1. Perusasetukset ja Fontit --- */
:root {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--header-color);
}

/* --- 2. Teemavärit (CSS-muuttujat) --- */

/* 1. Tumma (Ent. Pimeyden Kutsu) */
.theme-tumma {
    --bg-color: #1a1a2e;         /* Syvä tummansininen */
    --text-color: #e0e0e0;     /* Vaalea teksti */
    --header-color: #bb86fc;   /* Purppuran korostus */
    --panel-bg: #2b2b45;       /* Hieman vaaleampi paneelitausta */
    --panel-border: #4a4a6e;   /* Tumma harmaa-violetti reunus */
    --pointer-color: #03dac6;  /* Syaani korostus */
    --button-bg: #bb86fc;
    --button-text: #1a1a2e;
    --button-hover-bg: #9a67ea;
    --modal-overlay-bg: rgba(0, 0, 0, 0.7);
}

/* 2. Vaalea (Ent. Aamun Sarastus) */
.theme-vaalea {
    --bg-color: #f0f2f5;         /* Erittäin vaalea harmaa */
    --text-color: #333333;     /* Tumma teksti */
    --header-color: #6a0572;   /* Syvä violetti */
    --panel-bg: #ffffff;       /* Valkoinen paneelitausta */
    --panel-border: #e0e0e0;   /* Vaalea harmaa reunus */
    --pointer-color: #e63946;  /* Punainen korostus */
    --button-bg: #6a0572;
    --button-text: #ffffff;
    --button-hover-bg: #4a0350;
    --modal-overlay-bg: rgba(0, 0, 0, 0.5);
}

/* 3. Tuli (Ent. Lohikäärmeen Liekki) */
.theme-tuli {
    --bg-color: #3d0a0a;         /* Erittäin tumma punaruskea */
    --text-color: #f7e6e6;     /* Vaalea, hieman kellertävä teksti */
    --header-color: #ff8c00;   /* Syvä oranssi (liekki) */
    --panel-bg: #5c1b1b;       /* Tummempi, punertava paneelitausta */
    --panel-border: #8b2d2d;   /* Tummanpunainen reunus */
    --pointer-color: #ffd700;  /* Kultainen korostus */
    --button-bg: #ff8c00;
    --button-text: #3d0a0a;
    --button-hover-bg: #e67300;
    --modal-overlay-bg: rgba(0, 0, 0, 0.8);
}


/* --- 3. Yleinen Asettelu ja Paneelit --- */

body {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.top-controls {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    align-items: center;
}

.panel {
    background-color: var(--panel-bg);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    padding: 20px;
    transition: background-color 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.panel-button {
    background-color: var(--panel-bg);
    color: var(--text-color);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.panel-button:hover {
    background-color: var(--button-hover-bg);
    color: var(--button-text);
    border-color: var(--button-hover-bg);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.main-content {
    display: flex;
    flex-wrap: wrap; 
    justify-content: center;
    align-items: flex-start;
    gap: 30px;
    width: 100%;
    max-width: 1000px; 
}

/* --- 4. Onnenpyörä ja Osoitin --- */

.wheel-container {
    position: relative;
    width: 500px;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.pointer {
    position: absolute;
    top: -10px; 
    z-index: 10;
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 25px solid var(--pointer-color);
    filter: drop-shadow(0 2px 2px rgba(0,0,0,0.4));
    transition: border-color 0.4s ease;
}
#wheelCanvas {
    border: 10px solid var(--panel-bg);
    border-radius: 50%;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3), 0 0 0 12px var(--panel-border);
    transition: all 0.4s ease;
}

/* --- 5. Syöttöalue ja Napit --- */

.input-area {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 300px; 
    box-sizing: border-box;
}
.input-area h3 { margin: 0; font-size: 1.4rem; font-weight: 600; }
.input-area p { margin: -10px 0 0 0; font-size: 0.9rem; opacity: 0.8; }

#themeSelect, #namesInput {
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--panel-border);
    background-color: var(--panel-bg);
    color: var(--text-color);
    width: 100%;
    box-sizing: border-box;
    transition: all 0.3s ease;
}
#themeSelect:focus, #namesInput:focus {
    outline: none;
    border-color: var(--header-color);
}
/* PÄIVITETYT VARJOARVOT */
.theme-tumma #themeSelect:focus, .theme-tumma #namesInput:focus { box-shadow: 0 0 0 3px rgba(187, 134, 252, 0.3); } /* #bb86fc */
.theme-vaalea #themeSelect:focus, .theme-vaalea #namesInput:focus { box-shadow: 0 0 0 3px rgba(106, 5, 114, 0.3); } /* #6a0572 */
.theme-tuli #themeSelect:focus, .theme-tuli #namesInput:focus { box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.3); } /* #ff8c00 */

#namesInput { resize: vertical; }

.button-group {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 10px;
    width: 100%;
    margin-top: 5px; 
}
#spinBtn {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
    padding: 14px 10px;
    border-radius: 8px;
    letter-spacing: 0.5px;
    transition: background-color 0.2s ease, transform 0.1s ease;
    width: 100%;
}
#spinBtn:hover {
    background-color: var(--button-hover-bg);
    transform: scale(1.03); 
}
#spinBtn:active {
    transform: scale(0.98); 
}
#spinBtn:disabled {
    background-color: #aaa;
    cursor: not-allowed;
    transform: scale(1);
    opacity: 0.6;
}

#clearBtn {
    background-color: transparent;
    color: var(--text-color);
    border: 2px solid var(--panel-border);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 14px 10px;
    border-radius: 8px;
    transition: all 0.2s ease;
    opacity: 0.7;
    width: 100%;
}
#clearBtn:hover {
    background-color: var(--panel-border);
    opacity: 1;
    transform: scale(1.03);
}
#clearBtn:active {
    transform: scale(0.98);
    opacity: 1;
}

/* --- 6. Footer ja Modaali-ikkunat --- */

footer { margin-top: 40px; font-size: 0.9rem; opacity: 0.7; }
footer a { color: var(--header-color); text-decoration: none; transition: color 0.2s ease; }
footer a:hover { color: var(--button-hover-bg); text-decoration: underline; }

.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: var(--modal-overlay-bg);
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
    transition: background-color 0.4s ease;
}
.modal-content {
    position: relative;
    margin: auto;
    padding: 30px;
    width: 80%;
    max-width: 500px;
    animation-name: animatetop;
    animation-duration: 0.4s;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}
@keyframes animatetop {
    from {top: -300px; opacity: 0}
    to {top: 0; opacity: 1}
}
.close-button {
    color: var(--text-color);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    top: 10px;
    right: 20px;
    transition: color 0.2s ease;
}
.close-button:hover,
.close-button:focus {
    color: var(--header-color);
    text-decoration: none;
}
.modal-content h2 { color: var(--header-color); margin-top: 0; font-size: 2rem; }
.modal-content p { font-size: 1.1rem; line-height: 1.6; }

/* KÄYTTÖOHJEEN LISTAN TYYLIT */
.modal-content h3 {
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--header-color);
    font-size: 1.4rem;
    text-align: left;
}
.modal-content ul {
    list-style: none;
    padding-left: 0;
    text-align: left;
    margin-top: 15px;
}
.modal-content li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
    font-size: 1rem;
    line-height: 1.5;
}
.modal-content li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--pointer-color);
    font-weight: bold;
    font-size: 1.2rem;
}


.winner-text { font-size: 1.5rem !important; font-weight: bold; margin: 20px 0; }
.winner-text #winnerNameEl { color: var(--header-color); }
.close-modal-button {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    margin-top: 20px;
    transition: background-color 0.2s ease, transform 0.1s ease;
}
.close-modal-button:hover {
    background-color: var(--button-hover-bg);
    transform: scale(1.05);
}
.close-modal-button:active {
    transform: scale(0.98);
}

/* --- 7. Responsiivisuus --- */

@media (max-width: 900px) {
    .main-content { flex-direction: column; align-items: center; }
    .input-area { width: 100%; max-width: 500px; }
    h1 { font-size: 2.2rem; }
    .top-controls { flex-direction: column; gap: 15px; }
    .modal-content { width: 90%; padding: 20px; }
    .modal-content h2 { font-size: 1.8rem; }
}