/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(to right, #e0f7fa, #ffffff);
    color: #333;
    padding: 10px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background 0.5s, color 0.5s;
    text-align: center;
}

/* Header */
header {
    display: flex;
    flex-direction: column;
    /* উপাদানগুলো নিচের লাইনে যাবে */
    align-items: center;
    /* সেন্টার এ আনবে */
    gap: 5px;
    /* উপাদানগুলোর মধ্যে ফাঁক */
    padding: 20px;
    background-color: #00bcd4;
    color: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}


header h1 {
    /* margin-bottom: 05px; */
    font-size: 2rem;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 0 20px;
}

/* Day Selector */
.day-selector {
    margin: 20px 0;
    text-align: center;
}

label {
    font-size: 1.2rem;
    margin-right: 10px;
}

select {
    padding: 10px 16px;
    font-size: 16px;
    border-radius: 8px;
    border: 1px solid #ccc;
    outline: none;
    transition: 0.3s ease;
}

select:hover {
    border-color: #00bcd4;
}

/* Routine Section */
#routine {
    margin-top: 30px;
    width: 100%;
    max-width: 500px;
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

#routine h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #00acc1;
}

#routine-list {
    list-style: none;
    margin-top: 10px;
    padding: 0;
}

#routine-list li {
    background: #e0f7fa;
    margin: 10px 0;
    padding: 14px;
    border-radius: 8px;
    font-size: 1rem;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s;
}

#routine-list li:hover {
    transform: scale(1.02);
    background: #b2ebf2;
    color: #004d40;
}

/* clock এর জন্য */
#clock {
    font-size: 2.5rem;
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 2px;
    text-shadow: 1px 1px 2px rgba(0, 77, 64, 0.3);
    user-select: none;
    margin: 0;
}

/* date এর জন্য */
#date {
    font-size: 1.3rem;
    color: #ffffff;
    font-weight: 500;
    letter-spacing: 1px;
    user-select: none;
    margin: 0;
}


/* Fade-in Animation */
@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Light Mode Clock Style */
body.light-mode #clock {
    color: #004d40;
}

body.light-mode #date {
    color: #00695c;
}

/* Dark Mode Clock Style */
body.dark-mode #clock {
    color: #e0f7fa;
}

body.dark-mode #date {
    color: #b2ebf2;
}

/* Extra Section */
.extra-section {
    margin-top: 40px;
    width: 100%;
    max-width: 500px;
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    animation: fadeIn 2s;
}

.extra-section h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #00acc1;
}

.extra-section input {
    padding: 10px;
    width: 70%;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: 0.3s;
}

.extra-section input:focus {
    border-color: #00bcd4;
    box-shadow: 0 0 5px rgba(0, 188, 212, 0.5);
}

.extra-section button {
    padding: 10px 16px;
    font-size: 1rem;
    background: #00bcd4;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
    margin-left: 5px;
}

.extra-section button:hover {
    background: #0097a7;
}

#extraSubjectsList {
    list-style: none;
    margin-top: 20px;
    padding: 0;
}

#extraSubjectsList li {
    background: #e0f7fa;
    margin: 8px 0;
    padding: 12px;
    border-radius: 8px;
    font-size: 1rem;
    text-align: left;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.2s;
    position: relative;
}

#extraSubjectsList li:hover {
    transform: scale(1.02);
    background: #b2ebf2;
    color: #004d40;
}

/* Remove button */
.remove-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #D32F2F;
    /* A professional, muted red color */
    color: white;
    border: none;
    padding: 2px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.remove-btn:hover {
    background-color: #B71C1C;
    /* A slightly darker red on hover */
}

/* .remove-btn {
    position: absolute;
    margin-left: 10px;
    background-color: #e74c3c;
    border: none;
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    cursor: pointer;
}

.remove-btn:hover {
    background-color: #c0392b;
} */



/* Footer */
footer {
    margin-bottom: 30px;
    margin-top: 30px;
    padding: 10px;
    background: #00bcd4;
    color: #fff;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.dark-mode {
    background: linear-gradient(to right, #2c3e50, #4ca1af);
    color: #f2f2f2;
}

.dark-mode h1 {
    color: #ffcc00;
}

.dark-mode #routine-list li,
.dark-mode #extraSubjectsList li {
    background-color: #394b59;
    color: white;
}

.dark-mode .extra-section button {
    background-color: #ff9900;
}

.dark-mode .extra-section button:hover {
    background-color: #e68a00;
}

.dark-mode .remove-btn {
    background-color: #ff3333;
}

.dark-mode .remove-btn:hover {
    background-color: #cc0000;
}

#toggle-darkmode {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: #4CAF50;
    color: white;
    padding: 6px 6px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-size: 10px;
    z-index: 999;
    transition: 0.3s;
}


#toggle-darkmode:hover {
    background-color: #45a049;
}

/* মেইন লিঙ্কস */
.links-section {
    display: flex;
    gap: 1rem;
    margin-bottom: .5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.button-link {
    background-color: #32c5d7;
    color: #ffffff;
    text-decoration: none;
    padding: 0.4rem .5rem;
    border-radius: 10px;
    font-weight: bold;
    transition: background 0.3s;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
}

.button-link:hover {
    background-color: #af1d1d;
}

.dark-mode .button-link {
    background-color: #ffeead;
    color: #1a1a1a;
}